For technicians sourcing part 51-21853-15

Rated for temperatures up to 180F

the 16F24C2164AAF part number typically refers to the pressure vessel only

This Healthy Climate HCF16-11 box filter fits seamlessly into PCO-12C cabinets and compatible Lennox air handlers

or a failing inducer motor before replacing the 11177117

Lochinvar & A.O. Smith 100208652 Control R-410A For technicians sourcing part 51-21853-15The Lochinvar & A. O. Smith 100208652 Control is a precision engineered manual reset low water cut off (LWCO) designed for high efficiency hydronic systems. Operating on a 24Vac control circuit, this safety device utilizes a 3 8" NPT probe to monitor water levels within the heat exchanger or header, providing essential protection against dry fire conditions. The 100208652 model LTB024A S1 is a standard replacement for Knight fire tube boilers (models