Protected: Rheem 95% AFUE 42,000 BTU Single Stage Multi-Position Gas Furnace (17.5″ Wide)

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• Model # R951T0403A17M4SNAS


•  Energy Star Certified
•  10 year warranty on parts (registration required)
•  20 year warranty on heat exchanger (registration required)
•  Designed for vertical upflow, downflow & horizontal installations (see chart below)
•  Quiet & efficient multi-speed constant torque ECM blower motor
•  Energy saving single stage gas valve
•  Proven direct spark ignition for reliability & longevity
•  Heavy duty aluminized steel primary heat exchanger
•  Stainless steel secondary heat exchanger
•  Fully insulated furnace cabinet

•  Complies with California low NOx requirements up to 40ng/J
•  Part of the new Rheem Endeavor Line Classic Series
•  Furnace is not approved or recommended for mobile homes
•  Convertible from natural gas to propane (LP) gas with kit

Dimensions:  H34" x W17 1/2" x D29 5/8"
Volts:  115
Phase:  Single
Hertz:  60
Input:  42,000 BTU
Output :  39,900 BTU

Specification Sheets

*Non-zero clearance vent conversion kit (RXGY-CK) and zero-clearance vent conversion kit (RXGY-ZK) may be needed for certain configurations.  Please see chart below for details. 

Additional information

Heating Efficiency

Indoor Unit Air Flow

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Heating Capacity

Energy Star Certified


Model Number



Rheem Endeavor™ Line Classic® Series Gas (Propane) Furnace, (R951T Series)


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