Lennox 77W04 Gas Valve 320074-702 The Robertshaw 4200-011 is a

The Robertshaw 4200-011 is a heavy-duty commercial gas thermostat engineered for high-capacity temperature regulation in demanding kitchen environments

"click-lock" fit to the control board and auxiliary components

OEM Fitment: Eliminates field modifications with exact Bard 900-200 mounting patterns and electrical lead lengths

With an operational temperature range of -22°F to 122°F (-30°C to 50°C)

ensuring optimal flow control for hot water

Lennox 77W04 Gas Valve 320074-702 The Robertshaw 4200-011 is aThe Lennox 77W04 Gas Valve is a critical OEM component specifically engineered for multi stage heating systems requiring high precision fuel regulation. This 24v 2 stage gas valve (White Rodgers 36J55 254P1) is designed with a 1 2" NPT inlet and outlet, supporting both direct spark and hot surface ignition configurations. As a high performance HVAC replacement part, it handles a maximum pressure of 1 2 PSI with a factory set high fire of 3. 5" W. C.