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Isolation Valves

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Customers who have purchased isolation valves have also been:
to Takagi index - to Takagi T-KJr - to Takagi T-K3 - to Takagi Mobius T-M32
to Takagi stainless steel venting - to Z-Flex gas venting products - to electric water heaters by Eemax
to electric Instant-Flow tankless water heaters - to tankless water heater drain pan - to Rheem tankless water heaters
to commercial gas connectors - to gas valves, regulators, and other gas related products - to flexible gas connectors

Low rates and easiest to calculate/understand shipping for these isolation valves

Isolator valves can be used for many different plumbing applications, from circulation pumps to tankless (flash/instant) water heaters. We sell them in pairs as they are used with most tankless water heaters. PlumbingSupply.com is your best source for these isolations valves shown below as well as tankless water heaters and all your other plumbing supply needs.

"The Isolator"
Water Heater Isolation Valves

Tankless water heater isolation valves

These water heater isolation valves feature:
  • Easy two step installation of your tankless water heater with unsurpassed safety, features and benefits.
  • Complete inlet/outlet valve system that provides everything you need for a secure installation including full port testing and flushing of the system with easy to install union connections.
  • Extra features like a full port for full flow throughout the valve including a full port outlet for purging, flushing and testing the system.
  • The ability to drain your hot water lines throughout the building or just at the water heater with a quick quarter turn.
  • An outlet for pressure relief valve (sold separately)
  • Protection for the life of your system
  • Emergencies are handled with quick quarter turn ball valve shut-offs for total isolation of your system in seconds.
  • Repair or replace your heater in minutes with easy-fit union style connections that do not disturb your piping system.

Description Price & Quantity
Isolation Valve - Set/Pair (Hot & Cold) - 3/4" IPS Union x 3/4" IPS $89.88
Isolation Valve - Set/Pair (Hot & Cold) - 3/4" IPS Union x 3/4" Sweat $89.94
Pressure Relief Valve - Brass - 3/4" - 150 PSI
For the isolation valves shown above		 $13.97

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"The Isolator"
Water Heater Isolation Valves - Lead Free

Lead free tankless water heater isolation valves
click to enlarge
includes pressure relief valve (not shown)

These water heater isolation valves feature:
  • Complete inlet/outlet valve system that provides everything you need for a secure installation including full port testing and flushing of the system with easy to install union connections.
  • Easy two step installation of your tankless water heater with unsurpassed safety, features and benefits.
  • The ability to drain your hot water lines throughout the building or just at the water heater with a quick quarter turn.
  • Extra features like a full port for full flow throughout the valve including a full port outlet for purging, flushing and testing the system.
  • An outlet for pressure relief valve (included)
  • Protection for the life of your system
  • Emergencies are handled with quick quarter turn ball valve shut-offs for total isolation of your system in seconds.
  • Repair or replace your heater in minutes with easy-fit union style connections that do not disturb your piping system.
  • "CleanBrass" construction complies with federal and state low-lead requirements

Description Price & Quantity
Isolation Valve - Set/Pair (Hot & Cold) - 3/4" IPS Union x 3/4" IPS $94.89
Isolation Valve - Set/Pair (Hot & Cold) - 3/4" IPS Union x 3/4" Sweat $94.96

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frequently asked questions about isolation valves

questions about isolation valves "Can these isolator valves be connected to a water heater that has 1/2" connections?"
answers about isolation valves Yes, all you will need is a pair of 3/4" x 1/2" Brass threaded bushings, or 3/4" x 1/2" copper sweat bushing.

questions about isolation valves "Can I install a temperature and pressure relief valve that has a probe with the Isolator?"
answers about isolation valves It is possible to do so, but you may need to get a brass coupling and nipple in order accomplish this. Please note that the probe needs to be installed so that it is direct contact with the flow of the water.

questions about isolation valves "Can these be used on a tank style water heater?"
answers about isolation valves Absolutely, these are far superior than using the conventional gate valve in quality and functionality. The isolation feature helps to speed draining of the tank for service or replacement and removes excess air after service or replacement without moving the air through the hot water line.

We hope that we have helped you on this page with isolation valves,
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