It is designed for use with R410A refrigerant

providing a clear diagnostic indicator (a dead thermostat) that the float switch has been tripped due to water accumulation

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

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

Running it on 50Hz may lead to overheating or insufficient magnetic pull force

Lochinvar & A.O. Smith 100208243 Switch 30067439-890 It is designed for useThe 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