Pay in 4 interest-free payments of $42.71 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Ensures consistent airflow to maintain head pressure within OEM design limits
The McDonnell & Miller P-4-SS Probe Rod (Part Number 179545) is a heavy-duty
Reliable Monitoring: Provides consistent flame signal verification in environments where optical detection is superior to traditional rods
Rated for 208-230V single-phase operation
Lochinvar & A.O. Smith 100277784 Impeller 328140-751 Ensures consistent airflow to maintainThe Lochinvar & A. O. Smith 100277784 Impeller is a critical OEM replacement part engineered for high recovery commercial water heaters and industrial boiler systems. As the professional grade successor to the legacy 100133556 part number, this centrifugal pump impeller ensures precision fluid dynamics and optimal head pressure within the heat exchanger circuit. Built to withstand the rigorous cycling of hydronic heating equipment, the 100277784
US$ 575.00
US$ 179.99
US$ 109.99
US$ 38.00
US$ 36.00
US$ 460.00