Robertshaw 4290-011 Gas Thermostat Refrigerant Advanced Diagnostics: Tri-color LED and

Advanced Diagnostics: Tri-color LED and fault recall button assist in identifying issues with pressure switches

ensuring that any flame rollout event is professionally diagnosed before the system is placed back into operation

Ammonia requires specialized stainless steel or compatible alloy bellows

maintaining the rigorous filtration standards required for high-capacity chillers and air handling units

Robertshaw 4290-011 Gas Thermostat Refrigerant Advanced Diagnostics: Tri-color LED andThe Robertshaw 4290 011 is a high capacity, snap action hydraulic thermostat engineered for precise temperature control in heavy duty commercial cooking equipment. Built for high demand environments, this GS series gas control features a 3 8" pipe inlet and outlet, supporting a capacity of up to 30,000 BTUs. With a temperature range of 200F to 400F, it is the standard choice for maintaining thermal stability in commercial fryers, griddles, and