Optimized Ignition: Engineered for silent operation and rapid heat-up times to meet exact 501A electrical specifications

it acts as a normally open switch that closes only when the draft inducer motor provides sufficient suction through the integrated 1/4" barb connection

Verify mounting plate dimensions and terminal clearance before attempting use on other burner brands

including those requiring the 116M31 or Honeywell IS20310-5473 cross-references

Johnson Controls T22JAA-1 Thermostat Freon Optimized Ignition: Engineered for silentThe Johnson Controls T22JAA 1 is a commercial grade line voltage wall thermostat engineered specifically for heavy duty cooling applications. This robust SPST cooling thermostat provides precise temperature control for fans, motors, and cooling equipment across a 40F to 90F range. Featuring a fixed 2 1 4F differential, it ensures stable cycling and prevents short cycling of refrigeration compressors or exhaust fans. The intuitive knob adjustment and