Natural Gas Combo Control Valve

Rheem SP14270G – OEM Natural Gas Combination Control Valve for Residential Gas Water Heaters

The Rheem SP14270G is a factory-specified replacement combination control valve for use in select Rheem and Ruud atmospheric vent gas water heaters. This valve serves as the primary safety and operational control, regulating gas flow to the burner while integrating essential safety mechanisms such as temperature control, pilot supervision, and automatic shutoff.

Designed to meet OEM performance and dimensional specifications, the SP14270G is a direct-fit replacement for models requiring a natural gas control assembly with integrated thermostat and pilot safety systems. It is suitable for both new installations and field replacements on compatible Rheem models.

Key Functions

• Integrated Thermostat: Maintains setpoint water temperature via bulb sensor feedback.
• Pilot Supervision: Incorporates a thermocouple connection to monitor flame presence and prevent unsafe ignition.
• Manual Shutoff and Reset: Features standard service-position selector and reset mechanism for field diagnostics and maintenance.
• Precise Gas Regulation: Controls gas supply to the main burner assembly, ensuring consistent combustion and heating output.

Technical Specifications

• Part Number: SP14270G
• Gas Type: Natural Gas
• Application: Rheem and Ruud residential gas water heaters (check serial/model for fitment)
• Valve Type: Combination control valve with pilot safety and temperature control
• Mounting: Standard vertical threaded inlet and outlet configuration

Installation Requirements

This component must be installed in accordance with the water heater manufacturer’s specifications and all applicable codes. Installation involves shutting off the gas supply, removing the burner assembly, and installing the replacement valve with proper torque and thread sealant. After reassembly, a leak test and combustion check are mandatory. Only qualified technicians should perform this replacement.

Contractor Notes

The SP14270G is commonly used when troubleshooting pilot failure, burner non-ignition, or temperature regulation issues. Always verify the water heater's model and serial number before ordering to ensure compatibility. Replacing this control with a non-OEM unit may result in improper burner operation or safety risk.

Included Components

• SP14270G Combination Control Valve Assembly
• Temperature dial (pre-installed)
• Thermocouple and pilot tubing interface fittings (if applicable)

Summary

The Rheem SP14270G Natural Gas Combo Control Valve is a purpose-built OEM component that restores operational integrity and thermal regulation to compatible residential gas water heaters. With integrated safety controls and precise temperature governance, this assembly meets the performance standards required in professional service and warranty repair environments.