Lochinvar & A.O. Smith 100111077 Controller 326058-758 The NEMA 56H frame configuration

The NEMA 56H frame configuration offers flexible slot mounting

The forged brass body houses stainless steel internal parts and an integral strainer

Key Benefits Dual Temperature Control: Independent day and night dials allow for effective setbacks

Common Questions: Where should this freeze stat be mounted

The integrated extended barrel probe (PA-800U) is specifically designed for systems requiring deeper insertion or clearance through thick insulation

Lochinvar & A.O. Smith 100111077 Controller 326058-758 The NEMA 56H frame configurationAs a seasoned technician, you know that a downed commercial water heater isn't just an inconvenienceits a service emergency. The Lochinvar & A. O. Smith 100111077 Controller is the precise OEM replacement part required to restore functionality to A. O. Smith Cyclone SUF 199 100 Series condensing water heaters. This SUF 199 digital controller manages critical combustion sequences, including flame sensing, ignition control, and temperature regulation