33" WC to ensure precise ignition safety sequences

If there is no continuity or a high resistance reading

All technical specs

The Spirax-Sarco 57059 is a heavy-duty 1-1/2" Float and Thermostatic Steam Trap engineered for efficient condensate management in low-pressure steam systems

Direct Replacement: Serves as the factory-authorized update for the legacy Lochinvar VAL3213 part number

AERCO GP-18900 Seal 320734-701 33" WC to ensure preciseThe AERCO GP 18900 Seal is a critical genuine OEM replacement part specifically engineered for high performance AERCO boiler parts and commercial water heating systems. This precise manifold to lower head seal is designed to create a robust, leak proof interface between the manifold and the lower head assembly, ensuring pressure integrity and thermal efficiency. As an authentic HVAC replacement seal, the GP 18900 prevents bypass leakage and maintains