Matco-Norca’s tankless water heater isolation valve kit is now available in three new configurations; press, PEX and cold expansion PEX. The TWHK brass ball valve kits consist of one cold valve, one hot valve and one pressure relief valve. Each assembly features a full port quarter turn valve design and integral hose end drain valves with purge port. These kits are available with a double o-ring stem seal and are NSF372, NSF61, cUPC & IAPMO approved. Isolation valve kits facilitate an efficient installation and effortless maintenance on your tankless water heater.
Matco-Norca tankless water heater valve kits
![Matco-Norca tankless water heater valve kits](http://www.pmmag.com/ext/resources/Issues/2023/05-May/13-PM0523_Products_matco-norca.jpg?1683654570)