Posted by clueless [108.162.210.220] on Saturday, September 03, 2016 at 00:26:54 :
In Reply to: 2lb residual check valve? posted by Bruce in sunny BC [108.162.245.17] on Friday, September 02, 2016 at 23:16:57 :
Remove for single circuit appl
.. And of used on a dual circuit which line front or rear should have the check valve in ot ot should i remove it for that application also