Tankless Water Heater Isolation Valve Kits

Listed when

A pair of tankless service (isolation) valves with flush ports.

Sorted by

Maker (lowest first)

In the list

The top 8 of 27 products in our catalog that meet the rule.

#1 · Maker: HYDRO MASTER

HYDRO MASTER 0560301 Tankless Isolation Valve Kit

Isolation valve kit; connections 0.75 in.

Check price on AmazonFull reference

#2 · Maker: Webstone

Webstone P704RLF134 Tankless Isolation Valve Kit

Isolation valve kit; connections 3/4 inches.

Check price on AmazonFull reference

#3 · Maker: Hourleey

Hourleey LUG8HVZ609 Tankless Isolation Valve Kit

Isolation valve kit; fits all 3/4 inch size is suitable for most American residential usage, both residential; connections 0.75 in.

Check price on AmazonFull reference

#4 · Maker: HQMPC

HQMPC HQ-ISH201 3/4" Tankless Isolation Valve Kit

Isolation valve kit; connections 0.75 in.

Check price on AmazonFull reference

#5 · Maker: CMI

CMI 3005IPS Tankless Isolation Valve Kit

Isolation valve kit; connections 0.75 in.

Check price on AmazonFull reference

#6 · Maker: EFIELD

EFIELD TOOL028 3/4" Tankless Isolation Valve Kit

Isolation valve kit; fits all 3/4 inch NPT thread which is suitable for residential &commercial gas tankless; connections 3/4 inch NPT.

Check price on AmazonFull reference

#7 · Maker: Libra Supply

Libra Supply LS-C5452LF 3/4" Tankless Isolation Valve Kit

Isolation valve kit; connections 0.75 in.

Check price on AmazonFull reference

#8 · Maker: Rinnai

Rinnai MIVK-T-LW Tankless Isolation Valve Kit

Isolation valve kit.

Check price on AmazonFull reference

How to choose between them

Service valves make the yearly flush a hose-on, hose-off job; most hot-side valves carry a port for the pressure relief valve plumbing codes require on a water heater.

Match the connection (threaded, sweat or push-fit) and pipe size to your plumbing.

Rankings follow the rule and order stated above, using makers' published specifications and listed prices. How we research · Disclosure