- Brand
- Rheem
- Efficiency
- 95 % AFUE; NRCan listed full-model records; not an inferred output from AFUE
- Heating control
- Single-stage
- Purchase check
- Full model + written scope
Rheem R951T
R951T is the simpler constant-torque Endeavor Classic choice in the Canadian lineup. A95% gas furnace can still be a different proposition from a 96% two-stage or98% modulating model because the burner control, fan behaviour and included thermostat also differ. Do not collapse the decision into a single efficiency number.
Size, efficiency & equipment
| Brand | Rheem |
|---|---|
| Model family | R951T |
| Fuel / equipment class | Natural gas; propane only where the full-model approval and conversion requirements permit |
| Efficiency | 95 % AFUE; NRCan listed full-model records; not an inferred output from AFUE |
| Burner stages / control | Single-stage |
| Blower | Constant-torque ECM |
| Input capacity, BTU/h | 42,000–112,000 BTU/h; NRCan listed full-model records; not an inferred output from AFUE |
| Rated output, BTU/h | 40,000–106,000 BTU/h; NRCan listed full-model records; not an inferred output from AFUE |
| Cabinet dimensions | Not verified — obtain the exact model specification |
| Canadian availability | Canadian NRCan records found for this family; listing does not prove local stock or every installation application. |
Family maxima and ranges are not the specification of every size. Obtain the complete model suffix, current output rating and dimensional drawing. Cabinet dimensions do not include all service clearances.
| Reported model | Configuration | Input BTU/h | Output BTU/h | AFUE % |
|---|---|---|---|---|
| R951T0403A17M4 | UDH | 42,000 | 40,000 | 95 |
| R951T0603A17M4 | UDH | 56,000 | 53,000 | 95 |
| R951T0703A17M4 | UDH | 70,000 | 67,000 | 95 |
| R951T0705A21M4 | UDH | 70,000 | 67,000 | 95 |
| R951T0855A21M4 | UDH | 84,000 | 80,000 | 95 |
| R951T1005A21M4 | UDH | 98,000 | 93,000 | 95 |
| R951T1155A24M4 | UDH | 112,000 | 106,000 | 95 |
Saved registry observations, not a stock list. Wildcards and configuration codes are reproduced as reported. UH = upflow; D = downflow where used. Search the complete registry.
Manufacturer pictures & technical drawings
Exact cabinet drawing was not verified for this profile. Use the manufacturer sources below and request the selected model’s current dimensional sheet before ordering.
Capacity and installation fit
The catalog describes four-way multi-position installation. The complete model’s approved orientation, input, heating capacity and physical width should be identified before an installation plan is priced. The Canadian catalog capacity band is not a substitute for the exact row and should not be used to select equipment by floor area alone.
Compare the proposal, not just the badge
Ask for a quote with the same vent, drain, filter and duct scope as the upgraded alternatives. The comparison then reveals what the more elaborate controls and staging cost. Keep any US tax-credit marketing separate from Canadian eligibility, and require the current model-specific warranty rather than a generic brand promise.
Evidence to request before purchase
For the R951T, keep the complete suffix and the dated specification with the quotation. Have the installer identify the selected heating output, installation orientation and control arrangement in writing. A family maximum is not necessarily the rating of the unit supplied. Ask for the completed startup record and the current Canadian warranty certificate, including labour exclusions. This profile does not assign a failure-rate score or convert a warranty promise into evidence of longer life.
Cost, reliability & alternatives
The reviewed Canadian catalog does not publish a complete installed price. Ask for a Canadian-dollar total before and after tax, with controls, venting, drainage, electrical work, disposal and labour warranty identified. Do not import US incentive or price statements into a Toronto quotation.
Direct-spark ignition, drain monitoring and diagnostic functions describe how the equipment is designed and serviced. Marketing claims such as quieter or more reliable are not comparable failure statistics. No Canadian model-by-model failure ranking is asserted here.
Read the Rheem brand assessment · Installed-price context · Compare this model
Sources & verification
Research snapshot: 11 October 2026. Confirm the current complete model, Canadian supply and warranty before purchase.