Slow-Opening Design: Minimizes burner vibration and provides a controlled ignition sequence for reduced pilot/igniter stress

the internal bimetal or contacts have failed

consult the manufacturer's cross-reference guide for a compatible 50M series control

This board is a confirmed fit for the FK4BNF003000AAAA air handler series

technicians rely on this electromagnetic relay to resolve common service issues like chattering contacts

Robertshaw 720-472 Gas Valve Els PW 29614 Slow-Opening Design: Minimizes burner vibrationThe Robertshaw 720 472 is a robust 24V step opening gas valve designed for high performance heating applications. Featuring a 1 2" NPT inlet and outlet, this dual voltage operator provides a regulated 3. 5" W. C. natural gas output, ensuring consistent manifold pressure for efficient combustion. This model is the direct replacement for the 7200ERCS 2, engineered for versatility in intermittent pilot ignition systems. The 720 series accommodates