Posted 1/13/2019 17:58 (#7242937 - in reply to #7238610) Subject: RE: LP Gas line sizing ?
Northern Ks
Just installed 400,000 btu shop heater 150ft from tank, 1/2 in plastic propane line, high pres regulator at tank, low pres regulator on building wall on other end of 1/2 plastic, 3/4 black pipe through wall and up to heater, same size as heater valve and no problems.