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

the internal bimetal or contacts have failed

The SPDT electrical configuration allows for versatile signaling

Dual Fuel Support: Certified for use with both LP and Natural Gas configurations

Common indicators include high superheat

Robertshaw 720-472 Gas Valve Els PW 29614 This board is a confirmedThe 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