Pay in 4 interest-free payments of $37.97 Learn more
Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
This model serves as the primary White-Rodgers 1F95-1277 replacement for several legacy units
ensuring continuous drainage without steam loss
most veteran techs recommend replacement if the ceramic is compromised or the metal is severely pitted to ensure consistent conductivity
it meets UL555 and UL555S requirements for smoke control
Lochinvar & A.O. Smith 100074451 PCB 321894-708 This model serves as theThe Lochinvar & A. O. Smith 100074451 PCB is a critical integrated control module designed for high efficiency commercial and residential water heaters and boilers. Known as the MC50 PCB, this genuine OEM component manages vital system operations including ignition sequences, temperature regulation, and safety circuit monitoring. Engineered for a precise fit in Lochinvar Knight and various A. O. Smith tankless models, it ensures absolute signal