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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
typically found in 3/8" and 1/2" NPT sizes
the switch completes the safety circuit to verify proper combustion airflow before allowing the ignition sequence to proceed
making it compatible with varying power grid standards
which can damage the brass threads
Robertshaw 1720-004 Valve Assembly Els PW 17895 typically found in 3/8" andThe 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
US$ 470.93
US$ 4199.50