Robertshaw 1720-004 Valve Assembly Els PW 17895 always verify your motor specs

always verify your motor specs including voltage

low-resistance interface between the direct spark ignition (DSI) control and the electrode assembly

typically found in 3/8" and 1/2" NPT sizes

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

Robertshaw 1720-004 Valve Assembly Els PW 17895 always verify your motor specsThe Robertshaw 1720 004 is a professional grade thermomagnetic safety valve assembly designed for critical gas flow control in commercial and residential heating equipment. This 1720 series safety valve (TS11J model) features a 7 16 inch tube inlet and outlet and includes a high performance valve magnet assembly. Engineered to prevent hazardous gas accumulation, the magnet is energized by millivoltage from a thermocouple; if the pilot flame fails, the