Robertshaw 1720-004 Valve Assembly Els PW 17895 System Efficiency: Restores peak thermal
Baker’s notes & crumb story
Description
Robertshaw 1720 004 Valve Assembly Els PW 17895 System Efficiency: Restores peak thermal System Efficiency: Restores peak thermal efficiency and prevents excessive carbon monoxide production common with improvised conversions the switch completes the safety circuit to verify proper combustion airflow before allowing the ignition sequence to proceed