Robertshaw 500-501 Gas Valve Thermostat Control Unit

Product Description

The Robertshaw 500-501 is a gas valve thermostat control unit designed for use in residential and light commercial heating systems. Robertshaw is a trusted name in the HVAC and combustion control industry, known for producing reliable gas controls, thermostats, and ignition components used by heating technicians and service professionals across North America. The 500-501 falls within Robertshaw's 500 series of combination gas valve controls, a line that has been widely installed in furnaces, boilers, and other gas-fired heating appliances for decades. This type of control unit serves a critical function in a heating system. It regulates the flow of gas to the burner based on signals from the thermostat and safety controls. When the thermostat calls for heat, the control unit opens the gas valve to allow fuel to flow to the burner. When the set temperature is reached or a safety condition is detected, the unit shuts off gas flow to prevent overheating or unsafe operation. HVAC technicians rely on components like the Robertshaw 500-501 when servicing or replacing faulty gas controls in older and current generation heating equipment. The 500 series is known for straightforward installation and compatibility with standard millivolt and standing pilot heating systems. Proper gas valve function is essential for safe, efficient furnace operation. A failed or degraded gas control can cause symptoms such as failure to ignite, intermittent heating, or unsafe gas pressure delivery. Replacing with a matched OEM-style control like the 500-501 restores correct system performance. This unit is appropriate for use by licensed HVAC technicians and qualified service professionals working on gas heating systems.

• Robertshaw 500 series combination gas valve thermostat control unit for gas-fired heating systems
• Designed for use in residential and light commercial furnaces and boilers with standing pilot or millivolt system configurations
• Reliable gas flow regulation based on thermostat demand, supporting safe and efficient burner operation

Product Highlights

The Robertshaw 500-501 is a dependable gas valve thermostat control unit built for integration into standing pilot and millivolt heating systems. It provides consistent gas flow control and is a go-to replacement component for HVAC service professionals.

Product Information

Standard Information

• Brand: ROBERTSHAW
• Manufacturer Part Number: 500-501

Technical Specifications

• Series: 500
• Application: Gas-fired furnaces and boilers
• System Type: Standing pilot and millivolt heating systems
• Industry: HVAC and combustion control