Lochinvar & A.O. Smith 100208472 Kit 319852-301 This surface mount thermostat features

This surface mount thermostat features a DPST (Double Pole Single Throw) configuration

offering superior thermal protection and mechanical resistance against high discharge temperatures often encountered in older R22 systems

and Trane for versatile application in commercial refrigeration

Smith natural gas units that utilize a Final Burner Assembly configuration

Precise Timing: Factory-set timings for prepurge and ignition trials ensure adherence to manufacturer specifications

Lochinvar & A.O. Smith 100208472 Kit 319852-301 This surface mount thermostat featuresThe Lochinvar & A. O. Smith 100208472 Kit is a critical integrated control kit engineered for high performance commercial boilers and water heaters. As a direct replacement for the legacy RLY20059 and 100167576 components, this central control board (CCB) manages all essential combustion and safety sequences from a single platform. Designed specifically for units with serial numbers beginning with 4015, including Lochinvar FB 2500, FBN2500, and FBL2