Robertshaw 1720-004 Valve Assembly Els PW 17895 extending the operational lifespan of

extending the operational lifespan of your critical components

System Efficiency: Restores peak thermal efficiency and prevents excessive carbon monoxide production common with improvised conversions

which can damage the brass threads

the switch completes the safety circuit to verify proper combustion airflow before allowing the ignition sequence to proceed

5 inches with a 3/16-inch terminal size

Robertshaw 1720-004 Valve Assembly Els PW 17895 extending the operational lifespan ofThe 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