Laars Heating Systems RE2319700 Temp Sensor 321702-401 Always check for obstructions in
Platform notes & fabric story
Description
Laars Heating Systems RE2319700 Temp Sensor 321702 401 Always check for obstructions in Always check for obstructions in the flue or moisture buildup in the pressure tubing before replacing the switch the 10 400 series is an ASME Section IV valve specifically designed for hot water heating service