Test between the Common (C) terminal and the Hermetic (HERM) terminal for the 55 MFD reading

Confirm the model number on your furnace or air handler data plate

This 1/2" NPT gas valve is factory-calibrated for a 4" WC manifold pressure

moisture is the primary catalyst for acid formation that leads to winding failure and system degradation

this specific part is designed for ASME configurations

Laars Heating Systems E2324200 Limit Switch Els PW 17895 Test between the Common (C)The Laars Heating Systems E2324200 is a manual reset high limit switch designed for critical over temperature protection in hydronic systems. This genuine OEM component is engineered specifically for the Teledyne Laars Pennant 200400 series, including models 200, 300, and 400. As a M R high limit safety switch, it functions as a fail safe by opening the control circuit and shutting down the burner if the water temperature exceeds the factory set