Robertshaw 802-22 Thermostat this is often referred to

this is often referred to as a 2-1/8" OD fitting

OEM Reliability: Direct replacement part ensures compatibility and reduces labor time during gas appliance repair

This process facilitates rapid condensate evaporation and leverages evaporative cooling to lower head pressure

and VP517 series valve bodies

Robertshaw 802-22 Thermostat this is often referred toThe Robertshaw 802 22 is a professional grade line voltage thermostat engineered to provide precise manual temperature control for electric baseboard heaters and radiant systems. As the direct 802 replacement, this rugged 120V unit features a double pole single throw (DPST) switch configuration, ensuring a positive "OFF" position for mechanical system shutdown and enhanced safety during maintenance. Designed with bimetal temperature sensing