specifically replacing part numbers 20J9101 and 20516001

this OEM replacement part is the standard solution

The Bard HVAC 5651-080BX Natural Valve is a critical OEM replacement gas valve for industrial and commercial Bard heating units

and 34 valve series for full port opening and closing

Efficient Air Usage: Optimized for a 45 SCIM air consumption and output flow capacity to maintain system pressure integrity

Warrick 16M1C40606 Water Level Control Els PW 17895 specifically replacing part numbers 20J9101The Warrick 16M1C40606 is a rugged, 120V solid state liquid level control designed for demanding HVACR and industrial water management applications. Engineered with a microprocessor based design, this Series 16M module provides high reliability conductivity based level sensing without moving parts to foul or fail. This specific unit is factory set with a 26K Ohm sensitivity, making it ideal for monitoring domestic water, condensate, or boiler