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Spence Control Engineering Dist. - M & M Control
location United States

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Our Products

  1. Industrial Valves 89 Products available
  2. Valves & Valve Fittings 61 Products available
  3. Separators & Strainers 12 Products available
  4. Pet And Farming Animals 12 Products available
  5. Flush Bottom Outlet Valve 5 Products available
  6. Process Control Systems & Equipment 4 Products available
  7. Chemical Reactors & Process Tanks 4 Products available
  8. Measurement Gauges & Fittings 4 Products available
  9. Pipeline Accessories 4 Products available
  10. Commercial Air Conditioner 3 Products available
  11. Others Products 114 Products available

Industrial Valves

We offer a complete product range of Digital Control Valves, Actuated Flow Control Valves, thermostatic mixing valve, Pressure Reducing Valves and DR-A Low Pressure Back Pressure Valve

Digital Control Valves

Digital Control Valves

  • Model E40S
The shear action disc design of the actuated valve provides precise controlled mixing of steam and water. Fitted with the electronic actuator and an integrated temperature sensor, the system ensures fast, accurate and stable temperature control. The single compact assembly simplifies installation. The independence of these stand-alone units provide a reliable solution for hot water supply for industrial applications.
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Actuated Flow Control Valves

Actuated Flow Control Valves

  • Model E20F
The Emech 2 port flow control valve and actuator system utilizes ceramic shear action disc technology to provide tight shut-off, high pressure differential capability and long life integrity. When combined with the Emech electric actuator and Emech sensor, high speed stand along closed loop temperature control of applications can be achieved. The Emech 2 port valve utilizes ceramic shear action discs as the dynamic seal. The extremely hard nature of ceramic produces outstanding resistance to wear and cavitation damage compared with conventional elastomer and plastic seated valves, minimizing seal replacement and plant downtime.
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Thermostatic Mixing Valve

Thermostatic Mixing Valve

  • Model Z358-20
Z358-20 is a Thermostatic Mixing Valve of "sealed for life" disposable cartridge construction. Compact design and topor bottom blended water outlet make Z358-20 ideal for OEM, new construction and upgraderetrofit installations. For Emergency Drench Showers. Model Z358-20 will pass ANSI specified minimum of 20 gpm76 lpm (actual 23 gpm87 lpm) and will flow a minimum of 10 gpm (38 lpm) from direct cold water supply in hot failure mode at 40 psi (2.7 bar) maintained equal inlet supply pressure.
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Pressure Reducing Valves

Pressure Reducing Valves

  • Series 36H
The Apollo PRH (36H Series) Pressure Reducing Valves are designed for commercial, industrial, and institutional applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption.
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DR-A Low Pressure Back Pressure Valve

DR-A Low Pressure Back Pressure Valve

  • Sizes 1/2", 3/4", 1", 1 1/4"
Controls up to 25 psi. Automatically maintains desired pressure in a line or system by discharging excess pressure to the atmosphere or to a lower pressure system. All bronze, neoprene-nylon diaphragm, composition disc, sensitive adjusting spring. On installation, a "T" is placed in the inlet line and a sensing connection is run from it to the top of the valve.
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Medical Gas Valves

Medical Gas Valves

" to 4" Apollo 3-piece ball valves cleaned, and prepared for medical gas service. 82-200 Special - Male: Bronze 3-Piece Full Port Ball Valve With Male Brazed Extensions 82-200 Special - Female: Bronze 3-Piece Full Port Ball Valve With 6" Female Brazed Extensions The Apollo 8282A Series Ball valves are bi-directional. They may be installed in vertical or horizontal pipe runs without regard to flow direction or stem orientation.
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Small Pressure Regulating Valves

Small Pressure Regulating Valves

  • Sizes 1/8", 1/4", 3/8"
Reduces high pressure to lower outlet pressure within close limits. Good for inlet pressures up to 300 psi. Maximum temperature 180F (82C).
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ASPHALT PLUG VALVES

ASPHALT PLUG VALVES

  • Flanges ANSI B16.1
  • Valve sizes 1/2" - 6"
Homestead's Rugged hot-jacketed heavy-duty cast iron valves offer outstanding performance in tough hot-mixhot-flow asphalt plant meteringinjection systems. These 3-way valves are controlled with manual or pneumatic actuators, and are available in 3-port or 2-port diverter designsEfficient steam of hot-oil jacketed designLarge taps for heat source lines100% rectangular port area for full flowOptional transflo portsHeavy-duty flanges for plant hookupJust one moving part-for little or no maintenanceNo plastic parts to wear out or failFast sealant injection designRugged design for long-lasting continuous serviceOptional wrench or piston operatorsHigh-temperature seals
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Pressure Reducing Boiler Feed Valves

Pressure Reducing Boiler Feed Valves

  • Sizes 3/4" (A-41) and 1/2" (AB-40)
The AB-40 features a brass body and a "combo connection" which allows either a threaded or sweat copper connection with the same union tail piece. The AB-40 also includes a check valve and provides an inbuilt bypass for rapid filling, high pressure testing and system purging. The A-41 provides increased capacity for larger boilers. It has threaded female connections and an iron body with a stainless steel seat. Both the AB-40 and A-41 have a heat resistant diaphragm and seat disc, and an inbuilt strainer screen. The reduced pressure setting is 14 psi. The maximum inlet working pressure is 200 psi.
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Butterfly Valves

Butterfly Valves

  • Series 215L/215W
Double Offset High Performance Butterfly Valves, Class 150. Available in sizes:2" to 24" (Including 2.5" & 5")
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High Performance Butterfly Valves

High Performance Butterfly Valves

  • Series 230L/230W
Double Offset High Performance Butterfly Valves. Class 300. Available in sizes:2" to 24"(Including 2.5" & 5")
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Apollo-Push Check Valve

Apollo-Push Check Valve

  • Model Number: CVB-PLF
The Lead Free Apollo-PushTM 61LF Series BALL-CONE check valves with Push end connection offer reliable protection against reverse flow in a variety of fluids including potable water, using proven ASTM quality materials made in the USA. "Push to Connect" InstallationApollo-PushTM incorporates proven TECTITETM technology12 psi spring cracking pressureDezincification resistant Lead Free Materials
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Thermal Expansion Relief Valve

Thermal Expansion Relief Valve

  • Series 78RV-P
The Lead Free Apollo 78-RV Series Combination Water Heater Isolation Valve IAPMO approved Thermal Expansion Relief Device solves two Code requirements while saving time, installation space and money! Proven TECTITETM push-fit technology with fast and simple "push to connect" installation. Ideal alternative to expansion tanks in residential plumbing systems. Made in the USA, featuring Lead Free dezincification resistant brass materials.
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Water Pressure Regulating Valve

Water Pressure Regulating Valve

  • Single Union Sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"
  • Double Union Sizes 3/4", 1", 1-1/4", 1-1/2", and 2"
Available in lead free*, high working pressure versions (400 inlet psi max) and low pressure set (835 psi) models and threaded or sweat.Also available with an inlet blanking cap and contractor kits and protective orange cover for sizes through 1".
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Mixing Valve

Mixing Valve

  • Model 2030
Steamix Model 2030 is a steamwater mixing valve of brassstainless steel construction. Steamix mixing valve, featured on all Steamix steam and water hose stations by Armstrong, will not pass live steam in the event of either a significant pressure reduction or complete failure of the cold-water supply. When your process demands high washdown temperatures, adjusting the mix of steam and water becomes much more difficult and dangerous. With the older style dual-globe valve mixing "Y, " it is too easy to introduce too much steam - with risky consequences for your personnel.
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Solenoid Shut-Off Valve

Solenoid Shut-Off Valve

  • Model 58-01 / 658-01
The Cla-Val Model 58-01658-01 valve performs two separate functions. It maintains a constant backpressure by discharging excess pressure downstream and when the solenoid is activated the valve closes drip-tight.
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Flow Control Valve

Flow Control Valve

  • Model 40-01 / 640-01
The Cla-Val Model 40-01640-01 Rate of Flow Control Valve prevents excessive flow by limiting flow to a preselected maximum rate, regardless of changing line pressure. It is a hydraulically operated, pilot controlled, diaphragm valve. The pilot control responds to the differential pressure produced across an orifice plate installed downstream of the valve.
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Fire Protection Pressure Reducing Valve

Fire Protection Pressure Reducing Valve

  • Model 90-21
Cla-Val 90G-21 (globe) and 90A-21 (angle) Pressure Reducing Valves automatically reduce a higher inlet pressure to a steady lower outlet pressure regardless of changing flow rate andor varying inlet pressure. The valves pilot control system is very sensitive to slight downstream pressure fluctuations, and will automatically open or close to maintain the desired pressure setting.
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Apollo Balancing Valves

Apollo Balancing Valves

  • Series 58A
Provides two position hydronic circuit isolation capability and multi-turn throttling adjustment as required for proportional balancing of hydronic systems. The valve's unique needle valve adjustment, with integrated digital readout incorporated into the handle, allows qualified technicians to have the valve function as a highly accurate variable orifice flow meter.
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Surge Control Valve

Surge Control Valve

  • Model 94-01 / 694-01
The Cla-Val Model 94-01694-01 Combination Pressure Reducing and Surge Control Valve automatically reduces a higher inlet pressure to a steady lower downstream pressure. When downstream pressure rapidly exceeds the pressure setting of the pressure reducing control pilot, the surge pilot (CRL) will open quickly to prevent a rapid pressure rise downstream (i.e. surge condition).
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Check Valve

Check Valve

  • Series 4SG-100
Double Check Valve Assembly: Domestic Epoxy Ductile Iron Body, Short Grooved Body Connections, Butterfly, OSY, NRS Shutoff Options 2 12" - 8"
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Mixing Valves

Mixing Valves

  • Series 34C
The Apollo Model MVC (34C Series) are Commercial Master Mixers, ASSE 1017 approved, thermostatic mixing valves designed for high capacity commercial and institutional "Point of Source" applications. Featuring ease of maintenance and "Best in Class" flow rates, they provide reliable temperature control for large hot water distribution and hydronic heating systems.
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Anti-Cavitation Pressure Reducing Valve

Anti-Cavitation Pressure Reducing Valve

  • Model 90-01KO
The Cla-Val Model 90-01KO Hytrol Pressure Reducing Valve with Anti-Cavitation Trim automatically reduces a higher inlet pressure to a steady lower downstream pressure, regardless of changing flow rate andor varying inlet pressure. The valve is equipped with Anti-Cavitation Trim to provide for optimum downstream pressure control while reducing noise and eliminating damage associated with cavitation.
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Split-Body Pinch Valve

Split-Body Pinch Valve

  • Model PV30
The Cla-Val Series PV30 Split Body Pinch Valves provide a positive means to control flow of hard to handle, aggressive media such as slurries, sludges and dry solids.The standard, pure gum elastomer sleeve, the only moving part of the valve, is contained in a cast iron or aluminum housing. The annular space surrounding the sleeve and the housing becomes the valve actuator when charged with air or water.
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TriForce Check Valves

TriForce Check Valves

  • Series 4ALF-600 LBF
Lead Free - Domestic stainless steel body 2-12"-8". Ductile iron 10" and 12". Short, inline configuration, horizontal or vertical, center stem guided TriForce check valves. Bypasses accurately measure low flows. Multiple shutoff valve options. Sizes 2-12"-12".
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Pressure Relief Valves

Pressure Relief Valves

  • Model 50-33 / 650-33
The Cla-Val 50-33650-33 Excess Pressure Safety Shut-Off Valve (XPSV) automatically protects the downstream distribution piping and fixtures from experiencing excess unsafe pressures in the event that outlet pressure of the high flow PRV rises above an acceptable level.
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Brass Ball Valves

Brass Ball Valves

  • Size 2000C: 1/2" to 1" 2010: 1/4" to 2"
NPT threaded connections. Full port. Adjustable packaging gland. Pressure rated to 600 psi WOG and 150 psi WSP, maximum temperature 300F (149C)
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Pressure Regulating Valve

Pressure Regulating Valve

  • Sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2"
Brass body, threaded connections, stainless steel body seat, BUNA-N diaphragm and seat washer.300 psi maximum inlet pressure; standard factory setting 45 psi.Large inbuilt stainless strainer with separate clean-out plug.
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Two Position Control Valve

Two Position Control Valve

  • Size 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
All bronze, with renewable stainless steel valve seat of full port diameter, renewable composition seat disc, neoprene-nylon diaphragm. Rust-proof steel bolting. Full port diameter means full capacity and low pressure drop through the valve. For maximum hook-up flexibility, diaphragm pressure connection may be indexed to any of four positions: over inlet, over outlet, or either side. Maximum body pressure 250 psi; diaphragm pressure 300 psi. Maximum temperature 180F (82C).
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Isolation Valves

Isolation Valves

  • Series TVS 4000F
A complete package featuring two piston-style isolation valves, test valve and integral stainless steel strainer with blowdown valve. You'll realize all the benefits of a piston valve integrated into the same space-saving package.
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Pressure Sustaining Valve

Pressure Sustaining Valve

  • Model 550-01 / 6550-01
The Cla-Val Model 550-01 Pressure Relief Valve is a hydraulically operated, pilot-controlled, modulating valve designed to maintain constant upstream pressure within close limits. This valve can be used for pressure relief, pressure sustaining, backpressure, or unloading functions in a by-pass system.
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Fire Protection Pressure Relief Valve

Fire Protection Pressure Relief Valve

  • Model 50B-4KG1
The Cla-Val Model 50B-4KG1 Globe 2050B-4KG1 Angle Pressure Relief Valve is designed specifically to automatically relieve excess pressure in fire protection pumping systems. Pilot controlled, it maintains constant system pressure at the pump discharge within very close limits as demands change.
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Thermostatic Mixing Valves

Thermostatic Mixing Valves

  • Series 34CLF
The Apollo Model MVCLF (34CLF Series) are ASSE 1017 approved thermostatic mixing valves designed for high capacity commercial and institutional "Point of Source" applications. Featuring ease of maintenance and "Best in Class" flow rates, they provide reliable temperature control for large hot water distribution and hydronic heating systems.
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Differential Pressure Relief Valves

Differential Pressure Relief Valves

  • Model 250-01 / 605-01
The Cla-Val Model 250-01605-01 Differential Pressure Relief Valve is a hydraulically operated, pilot-controlled, modulating valve. It is designed to maintain a constant pressure differential between any two pressure points in a system where the closing of the valve directly causes the differential pressure to increase. The valve tends to open on an increase in differential pressure and close on a decrease in differential pressure. Typical applications include differential pressure control in centrifugal pumping systems and chilled water circulating loop systems.
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Pressure Build Regulating Valve

Pressure Build Regulating Valve

  • Sizes 1/2", 3/4", 1" in NPT or BSPP Threads.
Automatically maintains, within close limits, the desired reduced pressure in the service line. Threaded connections. Investment cast carbon steel and stainless steel bodies, chambers and bottom plug, with stainless steel trim and a choice of metal-to-metal, Teflon or BUNA-N-seating. Initial pressure up to 720 psig, reduced pressures up to 400 psig and the operating temperature range is -320F to +450F depending on the trim options.
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Back Pressure Valve

Back Pressure Valve

  • Model 750-01
The Cla-Val Model 750-01 Pressure Relief, Sustaining and Back Pressure Valve is a hydraulically operated pilot actuated automatic control valve. The main valve consists of only two parts, a stainless steel body and an elastomeric liner or control element.
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Washing Machine Shutoff Valve

Washing Machine Shutoff Valve

  • Sizes 1/2
Single-lever control of both hot and cold water to protect a clothes washer's hose and inner working parts. E-Z onoff ball-type design can also be used to throttle water flow and ease the water hammer shock caused by solenoid valves. Bronze construction. Equipped with fluoropolymer seats against brass thru-hole balls that provide quiet rotating action. The WM-1 is supplied with male adapters. The WM-2 is furnished with sweat copper elbow adapters (2-38" on centers) which may be installed either up or down.
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Spring Loaded Check Valve

Spring Loaded Check Valve

  • Size 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2"
The Cash Acme In-Line Check Valve is a general purpose, NSF-61 certified check valve. The check valve effectively prevents the reverse flow of water through a water line. The check valve combines a spring loaded design with an NBR seat to create a bubble tight shut-off.
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Digital Flow Control Valves

Digital Flow Control Valves

  • Model F2020
The Emech 2 port valve utilizes ceramic shear action disc technology to provide tight shut-off, high pressure differential capability and long life integrity. Combined with the Emech electronic actuator, high speed stand-alone closed loop temperature control is possible. The Emech port valve utilizes ceramic shear action discs as the dynamic seal.
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Silent Globe Check Valve

Silent Globe Check Valve

  • Model 581
The Cla-Val Series 581 Silent Globe Check Valve has a spring- loaded poppet that allows the valve to close before flow reversal occurs, resulting in a silent, non-slam closure.
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Open Body Pinch Valve

Open Body Pinch Valve

  • Model PV10
The Cla-Val Series PV10 Open Body Pinch Valves provide simple means to manually control the flow of abrasive and corrosive slurries, liquids and solids. The valve operates by turning the handwheel clockwise to close, counter-clockwise to open like a gate valve, but unlike a gate valve the PV10 series valve has no sliding or rubbing metal surfaces to wear out - the sleeve is merely squeezed to the desired open or closed position. As a standard sleeve material, pure gum rubber with reinforced polyester fabric is used for highest strength and longer lasting cycle life.
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High Pressure Open Body Pinch Valve

High Pressure Open Body Pinch Valve

  • Model PV15
The Cla-Val Series PV15 High Pressure Open Body Pinch Valves provide simple means to manually control the flow of abrasive and corrosive slurries, liquids and solids. The valve operates by turning the handwheel clockwise to close, counter-clockwise to open like a gate valve, but unlike a gate valve the PV15 series valve has no sliding or rubbing metal surfaces to wear out - the sleeve is merely squeezed to the desired open or closed position. As a standard sleeve material, pure gum rubber with reinforced polyester fabric is used for highest strength and longer lasting cycle life.
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Psi Back Pressure Valves

Psi Back Pressure Valves

  • Sizes 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
Protects against periodic high pressures; maintains a desired inlet pressure by relieving to a lower variable pressure, or to atmosphere. Relieves dependably at adjusted pressures; shuts tight after relieving. Features unique "Floating Ring" seating arrangement that produces perfect seat contact. The FR valves afford unusually close regulation, repeatability of opening pressure and close reseating pressures.The FR-10 is for more economical, lower pressure applications - maximum pressure setting 250 psi. (Provided with iron body and spring housing only). Type FR is available in iron, bronze, steel or stainless steel body; threaded connections; monel, stainless steel or BUNA-N diaphragm. Pressure settings from 0 to 400 psi. The FR-6 is available for 200 to 600 psi.
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Check Valves

Check Valves

  • Series 34HL (POS)
The Apollo MVHL Automatic Temperature Controller HI-LO meets the new ASSE 1069 standard for multiple shower applications and the ASSE 1017 standard for point of source distribution applications. The device provides consistent temperature control to flow as low as 0.5 GPM. The MVHL is capable of low flow control without need for recirculation pumps and higher flow with parallel installation. Integral strainers and check valves are supplied at the valve inlets for added protection and long term performance.
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pressure reducing valve

Pressure Reducing Valve

  • Model Number PR
  • Series 36
The Apollo Model PR (36 Series) Pressure Reducing Valves are designed to protect residential and commercial water distribution systems by controlling excessive pressures. The valves are built for long reliable service with proven ASTM grade materials including a bronze body and stainless steel strainer.
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Water Heater Isolation Valve

Water Heater Isolation Valve

  • Series 78RV
Apollo 78RV Series Combination Water Heater Isolation Valve IAPMO approved Thermal Expansion Relief Device. This combination water heater shutoff and thermal expansion relief valve is an ideal alternative to expansion tanks in residential plumbing systems.
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Balancing Valves

Balancing Valves

  • Series 58
The Apollo Model BAV provides dependable hydronic system balance control utilizing corrosion resistant materials and Made in the USA construction.
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Combination Water Heater Isolation Valve

Combination Water Heater Isolation Valve

  • Series 78RV-P
34" Combination Water Heater Isolation Valve IAPMO approved Thermal Expansion Relief Device. APOLLOPUSH connections incorporate proven TECTITETM push-fit technology for quick and easy "push to connect" installation. Ideal alternative to expansion tanks in residential plumbing systems.
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Drain Valves

Drain Valves

  • Series 31-200
Model Number: BD90 Boiler Drain Sillcock, 12" & 34"For deluxe water heaters, low pressure boilers.
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Main Control Valve

Main Control Valve

  • Series 50
Main Control Valve, CSA Listed, 12" to 2 12" CSA design certified for 12 psig and temperatures from 32 to 125F. Complies to ANSI Z 21.15.CSA 9.1.
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