Hydronic Parts

12 result(s) for "Hydronic Parts" Clear All Refinements Watts
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Watts 2.1 Gal. 1/2 in. IPS Hydronic Expansion Pressure Tank, Model #ETX-15
Watts 2.1 Gal. 1/2 in. IPS Hydronic Expansion Pressure Tank, Model #ETX-15
Item # 443911

This non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 PSI, tank volume is 2.1 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1/2 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 PSI (5.3 BAR).

  • Precharged to 12 psi
  • Rugged flexible butyl diaphragm
  • Inline and free standing models
  • Steel construction

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Watts 4.7 gal. Hydronic Expansion Tank Model #ETX-30, 1/2 IN. IPS
Watts 4.7 gal. Hydronic Expansion Tank Model #ETX-30, 1/2 IN. IPS
Item # 443929

This non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 PSI, tank volume is 4.5 gal. and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy , mounts to supply piping, 1/2 in. MNPT system connection and a 0.302-32 in. charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 PSI (5.3 BAR).

  • 4.5 gal. tank
  • Rugged flexible butyl diaphragm
  • Inline and free standing models
  • Steel construction
  • Precharged to 12 PSI
  • Max. Pressure 75 PSI
  • Durable expansion membrane prevents contact of water with the air in the tank
  • Carbon steal with epoxy
  • Commercial and residential applications
  • 1/2 in. MNPT system connection

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Watts Hot Water Recirculating System with Built-In Timer
Watts Hot Water Recirculating System with Built-In Timer
Item # 100426993

Never wait for hot water again; The Watts Hot Water Recirculating Pump provides hot water at every faucet or shower when needed, eliminating wasted water. It is easy to install on any water system and requires no additional piping. The unique design of the pump ensures quiet, maintenance-free operation. The system includes a built-in 24 hour, a dual setting programmable timer to activate the pump only when needed.

  • Save money - up to 10% of your water bill
  • Maintenance free
  • Easy to install in less than 1 hour
  • Additional sensor valves available for homes with multiple plumbing loops
  • Hot water WHERE you need it
  • Hot water when you need it
  • Programmable timer is built-in so the pump turns on only when you need it
  • Not for use with tankless water heaters
  • Check compatibility to ensure it will work on your system
  • Reliable and easy to maintain

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Watts 1 in. Sweat Brass Isolation Pump Flange
Watts 1 in. Sweat Brass Isolation Pump Flange
Item # 523102

This 1 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N Stem O-Ring seal, and virgin PTFE seat. Optional T-handle included.

  • Brass body and flange
  • Buna-N stem O-ring seal
  • Solder end connection
  • Virgin PTFE seats
  • Optional T-handle included
  • Helps with circulator pump replacement or repairs

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Watts Vacuum Breaker Anti-Siphon, Backflow Preventer, 3/4 in. Lead Free Cast Copper Silicon Alloy
Watts Vacuum Breaker Anti-Siphon, Backflow Preventer, 3/4 in. Lead Free Cast Copper Silicon Alloy
Item # 292973
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection.

This 3/4 in. lead free anti-siphon hot or cold water vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of chrome plated body, chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment.

  • Lead free construction
  • Chrome finish
  • Female NPT inlet and outlet
  • Hot or cold water
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment
  • Maximum pressure is 125 psi

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Watts Anti Siphon Vacuum Breaker , Backflow Preventer,1/2 in. Chrome, Lead Free Brass
Watts Anti Siphon Vacuum Breaker , Backflow Preventer,1/2 in. Chrome, Lead Free Brass
Item # 292972
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection.

This 1/2 in. lead free anti-siphon hot or cold water vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of polished chrome plated lead free construction, chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment.

  • Lead free construction
  • Chrome finish
  • Female NPT inlet and outlet
  • Hot or cold water
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment
  • Maximum pressure is 125 psi

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Watts 1/2 in. Lead Free Anti-Siphon Vacuum Breaker
Watts 1/2 in. Lead Free Anti-Siphon Vacuum Breaker
Item # 292806
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection. Lead-Free Product.

This 1/2 in. lead free anti-siphon vacuum breaker for hot or cold water prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of lead free construction, chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard applications such as on laboratory equipment.

  • Lead free construction
  • Full size orifice for maximum flow
  • Female NPT inlet and outlet
  • Hot or cold water
  • Intended for low flow, non-continuous hot or cold water health hazard application
  • Works with hot or cold water

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Watts Brass Isolation Pump Flange 1-1 /4 in. Sweat
Watts Brass Isolation Pump Flange 1-1 /4 in. Sweat
Item # 523103

Designed to isolate circulator pump during repairs or replacement. Pressure rated at 600 WOG. Chrome plated brass ball with virgin PTFE seats. Bottom loaded, blowout proof stem. 1/2 turn operation. Flange mounting holes 4-5/8 in. centers.

  • Fits most circulator pumps
  • Includes mounting nuts and bolts
  • Durable brass body and flange
  • High pressure rating (600 WOG for solder and threaded and 250 WOG for press)
  • Adjustable packing and gland
  • EPDM O-rings to avoid leaks at installation
  • Optional tee handle included

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Watts Brass Isolation Pump Flange 1 in. Threaded
Watts Brass Isolation Pump Flange 1 in. Threaded
Item # 523107

This 1 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N stem O-Ring seal, virgin PTFE seat, and optional T-handle included. The pressure is rated 600 psi (41.4 BAR) WOG and the maximum temperature is 406 degree F (208 degree C) at 100 psi (6.9 BAR).

  • Brass body and flange
  • Buna-N stem O-ring seal
  • NPT threaded end connection
  • Virgin PTFE seats
  • Bottom loaded blowout proof stem
  • Optional T-handle included
  • Designed to isolate circulator pumps to facilitate circulator pump replacement or repairs
  • Pressure is rated 600 psi WOG
  • Maximum temperature is 406 degree F at 100 psi
  • 2-piece design constructed of brass body and end adaptor

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Watts Hose Bibb Vacuum Breaker #8
Watts Hose Bibb Vacuum Breaker #8
Item # 808376

This 3/4 in. hose connection vacuum breaker permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, and a rubber diaphragm and disc. It is secured with allen head set screw. It is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum pressure is 125 psi (8.6 BAR).

  • Brass body
  • Durable rubber diaphragm and disc for consistent positive seating
  • Allen set screw
  • Includes rubber diaphragm and disc and draining stem
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses
  • Maximum pressure is 125 psi

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Watts 3/4 in. and 1 in. First Check Repair Kit
Watts 3/4 in. and 1 in. First Check Repair Kit
Item # 805788

This 3/4 and 1 in. 909 first check repair kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly. This kit consists of the disc assembly, spring, seat, seat O-ring, cover O-ring, and lubricant. All parts are genuine and original to the valve.

  • First check repair kit
  • Factory replacement kit
  • No special tools required for servicing
  • All parts are made of high quality materials
  • Genuine and original Watts parts
  • Includes disc assembly, spring, seat, seat O-ring, cover O-ring, and lubricant

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Watts 3/4 in. Threaded Brass Isolation Pump Flange
Watts 3/4 in. Threaded Brass Isolation Pump Flange
Item # 789458

This 3/4 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N Stem O-Ring seal, virgin PTFE seat, and optional T-handle included. The pressure is rated 600 psi (41.4 BAR) WOG and the maximum temperature is 406 degree F (208 degree C) at 100 psi (6.9 BAR).

  • Brass body and flange
  • Buna-N stem and O-ring seal
  • NPT threaded end connection
  • Virgin PTFE seats
  • Optional T-handle included
  • Pressure rated at 600 psi

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