Industrial-Grade Construction: Designed for high-voltage 480V HVAC systems with moisture-resistant lead wires and durable heating elements

Its encapsulated construction provides superior moisture resistance and protection against environmental contaminants

It is highly recommended to use this fixed OEM pressure switch to ensure the factory-specified safety parameters of the HVAC system are maintained without the risk of manual calibration errors

preventing sensor seizing and material degradation

heavy-duty interface for field calibration

Lochinvar & A.O. Smith 100278058 Adapter 323613-751 Industrial-Grade Construction: Designed for high-voltageThe Lochinvar & A. O. Smith 100278058 Adapter is a critical venting component designed for professional high efficiency HVACR installations. This DuraVent appliance adapter is engineered specifically to transition between the units flue collar and the vent pipe system, ensuring a gas tight seal for Category II, III, and IV gas appliances. Built from premium grade materials, this adapter is compatible with condensing boilers and water heaters from the