Rheem-Ruud SP12258N Thermostat

The Rheem-Ruud SP12258N is a heavy-duty 160F LP thermostat designed for precise temperature regulation in liquid propane water heaters. As a critical gas control valve component, this OEM Rheem replacement part ensures the burner cycles correctly to maintain a consistent 160-degree Fahrenheit setpoint. Built for high-demand industrial and commercial water heating applications, the SP12258N thermostat manages the flow of propane gas to the heating element while providing essential high-limit safety protection. Contractors and HVACR technicians rely on this genuine Rheem-Ruud part for its exact 2.250-inch probe length and seamless compatibility with Vanguard and private-label Rheem tanks. Integrating this propane water heater thermostat into your system restores thermal efficiency and peak recovery rates, preventing the common short-cycling issues caused by worn bimetal sensors or fouled pilot orifices. This factory-authorized control is the standard for maintaining Rheem water heater 160 degree output specifications in high-temperature environments.

• Optimized Thermal Performance: Calibrated specifically for 160°F high-temperature output in liquid propane systems.
• OEM Precision: Genuine Rheem-Ruud replacement ensures port alignment and thread pitch match the original manifold.
• Rugged Construction: Engineered to withstand the rigors of 24/7 commercial hot water demand without drift.
• Improved Fuel Efficiency: Precise gas modulation helps reduce wasted propane through better burner control.
• System Safety: Includes integrated safety shut-off features to prevent overheating of the storage tank.

Is the Rheem SP12258N compatible with natural gas units?
No, this specific model is engineered exclusively for liquid propane (LP) systems. Using LP-rated controls on natural gas lines can create dangerous combustion issues.

What is the maximum temperature setting for this gas control?
The SP12258N is a fixed-limit control designed to maintain a maximum water temperature of 160 degrees Fahrenheit, typically required for commercial sanitation or high-recovery needs.

Will this thermostat fit other brands besides Rheem?
While designed as a Rheem-Ruud OEM part, it is also a direct cross-reference for specific Vanguard commercial models. Always verify the 2.250-inch probe length before installation.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.