Modine 5H0731180001 Gas Valve Els PW 29614 What causes a relay board

What causes a relay board failure in these units

Swapping the 415-43676-03 with a different temperature rating will compromise the safety logic of the gas control valve and may lead to premature shutdowns or hazardous operating conditions

Under a typical load

Designed with a multi-voltage primary (120/208/240V)

Modine 5H0731180001 Gas Valve Els PW 29614 What causes a relay boardWhen you're out on a service call for a Modine PD100 air heater or a similar PDP series unit, having the exact OEM gas valve is critical for restoring system pressure and safety. The Modine 5H0731180001 is a high performance 24V LP gas valve designed specifically for liquid propane applications. As the official direct replacement for 5H73118 1, this updated component features a 1 2" inlet and outlet and is factory set for a 3. 5" water column pressure