this programmed circuit board arrives with pre-installed software tailored for 30HX unit architecture

The Spence 05-01674-00 is an industrial-grade replacement diaphragm specifically engineered for the 4-inch Spence E2 main valve

it offers a fail-safe solution that halts fluid flow when de-energized

750 BTU/hr throughput

Lochinvar & A.O. Smith 100208243 Switch 30067439-890 this programmed circuit board arrivesThe Lochinvar & A. O. Smith 100208243 Blocked Drain Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician, you know that managing condensate is non negotiable; this OEM replacement part (formerly SWT2011) proactively monitors for atmospheric pressure changes or liquid backup within the drain system. When a blockage is detected in the condensate trap or drainage line, the switch