Liquid Propane Gas Control Thermostat.

Rheem SP20167A – Liquid Propane Gas Control Thermostat for Water Heater Applications

The Rheem SP20167A is a factory replacement gas control thermostat designed for use with compatible Rheem water heaters operating on liquid propane (LP). It regulates burner operation by controlling gas flow based on the temperature setpoint, ensuring consistent water temperature and system safety in residential installations.

Application and Use

This control unit is intended for use in LP-fueled tank-style water heaters. The thermostat includes integrated safety features, including over-temperature protection and a manual reset function, making it suitable for replacement or service applications requiring precise control and reliability.

Key Product Features

• Fuel Type: Liquid Propane (LP)
• Function: Controls gas flow and ignition response based on tank temperature
• Safety Mechanisms: Includes high-limit shutoff and manual reset
• Construction: Designed for direct tank mounting; includes integrated temperature dial
• Compatibility: Designed for specific Rheem LP water heater models

Installation and Service Information

This gas control thermostat should be installed by a qualified technician in accordance with local code requirements. Proper installation includes confirming LP compatibility, leak testing all connections, and verifying operational setpoints. The unit is not field-convertible to natural gas and must be matched to the fuel type of the appliance.

Installation Requirements

• Mounting: Direct screw-in installation to water heater tank
• Tools Needed: Pipe wrench, thread sealant, leak detection solution
• Testing: Confirm ignition cycle and water temperature regulation after installation

Technical Specifications

• Part Number: SP20167A
• Gas Type: Liquid Propane (LP)
• Thermostat Type: Mechanical dial with integrated gas valve
• Application: Residential water heater gas control
• Temperature Adjustment: Adjustable setpoint via front-mounted control dial

Contractor Notes

The SP20167A is a direct OEM replacement component and should be used only with listed compatible Rheem LP water heater models. It is not intended for cross-brand use or retrofit into non-specified systems. Always verify model compatibility and perform combustion safety checks during installation.