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RHEEM Gas Control Thermostat: SP12258B - Plumbing
RHEEMPlumbing

RHEEM Gas Control Thermostat: SP12258B

RHEEM Plumbing.

SKU 3G-OTH-435644

Brand
RHEEM
Item
Gas Control Thermostat: SP12258B
Category
Plumbing
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Technical Specifications

RHEEM
Manufacturer Part Number
SP12258B

Technical Documents

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RHEEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

RHEEM Plumbing.

Frequently Asked Questions

What is the RHEEM SP12258B gas control thermostat used for?

The RHEEM SP12258B gas control thermostat regulates water temperature in residential and commercial gas water heaters. It monitors tank temperature and modulates gas flow to maintain setpoint, ensuring safe, efficient operation. Common in plumbing systems for hot water supply, it replaces failed OEM controls on RHEEM heaters.

What are the specifications of the RHEEM SP12258B gas control thermostat?

The RHEEM SP12258B gas control thermostat has manufacturer part number SP12258B. It is designed for RHEEM gas water heaters, operating on standard 24 VAC. The unit includes a temperature sensor and gas valve interface. For exact voltage, pressure, and temperature ratings, consult the RHEEM installation manual.

Where to buy the RHEEM SP12258B gas control thermostat worldwide?

3G Electric supplies the RHEEM SP12258B gas control thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time. We source and deliver genuine RHEEM replacement parts to any country.

How to install the RHEEM SP12258B gas control thermostat?

To install the RHEEM SP12258B, first turn off gas and power to the water heater. Drain the tank below the thermostat opening. Remove the old thermostat, install the new unit with the included gasket, and reconnect wiring per the RHEEM manual. Refill, check for gas leaks, and test operation. Always follow local codes.

Used in

Common applications for RHEEM
Commercial building hot water supply — Rheem Triton SS GHE100SS-160 condensing gas water heater for high-volume demand
Industrial process water heating — Rheem ST175A 175-gallon storage tank for buffer capacity in boiler systems
Point-of-use hot water in workshops — Rheem EGSP6 6-gallon compact electric water heater for sink or handwash stations
Light commercial facility heating — Rheem PROPH80 T2 RH400-SO heat pump water heater for energy-efficient hot water
Multi-unit residential complexes — Rheem PROPE50 T2 RH CG 50-gallon electric water heater for apartment hot water systems
Restaurant kitchen hot water — Rheem ELDS30-FTB 28-gallon commercial electric water heater for dishwashing and sanitation

RHEEM Products

3G Electric supplies RHEEM plumbing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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