Lochinvar & A.O. Smith 100111033 Pressure Switch 321894-709 0 ohms (continuity) across the

0 ohms (continuity) across the terminals when the furnace is cool

Rated for high-amperage loads up to 16 FLA at 120V

Rugged Construction: Built with high-quality materials to withstand the thermal and chemical demands of hydronic systems

making this a standard HVAC replacement part for technicians prioritizing system longevity and efficiency

The rugged brass housing and stainless steel bellows ensure a leak-proof seal and long-term durability in demanding commercial environments

Lochinvar & A.O. Smith 100111033 Pressure Switch 321894-709 0 ohms (continuity) across theThe Lochinvar & A. O. Smith 100111033 Low Gas Pressure Switch is a critical safety component designed to monitor incoming line pressure and ensure the burner assembly operates within specific tolerances. This OEM replacement part serves as the direct updated version for the obsolete 9006256015, featuring improved set point reliability and vibration resistance. Engineered for high efficiency commercial boilers and water heaters, the 100111033 functions