Thermostat, 192873 / AO Smith 100109920 Thermostat (also referenced as Part #9004533215) 1Throw, 120180 °F w/ High Limit

A singlepole, doublethrow electric thermostat with integrated high limit designed to control and regulate temperature in water heating and pool heater systems. This unit combines temperature regulation with an overtemperature safety cutoff (high limit) in one compact component, helping protect heaters from overheating while maintaining desired temperature ranges. Commonly used as a replacement thermostat/heater control part in AO Smith and compatible systems.

SPECIFICATIONS

Brand: AO Smith (Electrical Control Component)
Model / Part Numbers: 100109920, 9004533215, 192873
Product Type: Adjustable Electric Thermostat w/ High Limit
Switch Type: Single Pole, Double Throw (SPDT)

Temperature Range: Approximately 120 °F to 180 °F (adjustable)
High Limit Feature: Builtin overtemperature cutoff/safety limit
Thermostat Type: 89T13 style control with manual adjustment

Application:

Temperature control in electric water heaters and pool/spa heaters

Works as a replacement thermostat/highlimit assembly in systems specifying these part numbers

FEATURES

SinglePole DoubleThrow (SPDT) operation for reliable control of heating cycles

Combined thermostat and high limit in one piece for safety and simplicity

Adjustable temperature range covers 120 °F to 180 °F for typical heater control needs

Fits a range of commercial and residential heater units (replacement for older 9004533215 units)

Compact design suited for internal heater control panels