EcoRenovator - View Single Post - My next project natural gas tankless hot water heater.

Mikesolar · 03-23-14, 05:05 PM

The easiest thing to do is to have a drain from the heater loosely plug in larger tube so that there is an air gap before the 1/2" PEX tube. There is probably too much back pressure.

03-23-14, 05:05 PM	#39
Mikesolar Master EcoRenovator Join Date: Aug 2012 Location: Toronto Posts: 958 Thanks: 40 Thanked 158 Times in 150 Posts	The easiest thing to do is to have a drain from the heater loosely plug in larger tube so that there is an air gap before the 1/2" PEX tube. There is probably too much back pressure.