GCNH-50
A.O. Smith 50-gallon residential atmospheric vent gas water heater, 40 000 BTU.
Replacement parts that fit the GCNH-50
18 parts, from A.O. Smith's own parts list. Every part number links to the full list of models it fits.
Burner & ignition
- 9000056015 — Thermocouple
- 9006141015 — Burner Door Gasket
- 9006143015 — Piezoelectric Igniter Button
- 9006441005 — Pilot Assembly Kit (Natural Gas)
- 9006444005 — Burner/Door Assembly
- 9006445015 — Flexible Manifold Tube
Valves
- 9000728015 — Temperature & Pressure Relief Valve (Located Top Or Side)
- 9001870015 — Drain Valve Brass
- 9006439005 — Gas Control Valve/Thermostat
Blower & venting
- 700795-020 — Drafthood
- 9006437005 — Flue Baffl e
Other components
- 700795-021 — Reducer Ring - Some Models ------------
- 9006142015 — Viewport Assembly
Dip tube & heat traps
- 9003915015 — Heat Trap (Cold)
- 9006431005 — Cold Water Dip Tube
Doors, jacket & panels
- 700795-018 — Outer Door
Anode rod
- 9003892005 — Anode Rod
Wiring & harnesses
- 9006449015 — Two Piece Wire Connector With Retainer Clip
Specifications
| Capacity (gal) | 50 |
|---|---|
| First hour (gal) | 75 |
| EF (pre-2017) | 0.58 |
| Input, natural (BTU/hr) | 40 000 |
| Recovery (GPH) | 41 |
| Height, floor to top (in) | 57 3/8 |
| Jacket dia (in) | 20 |
| Ship weight (lb) | 151 |
DOE storage (gal): not published on this document
UEF: not published on this document
Other models on the same A.O. Smith spec sheet
- GCNH-30A.O. Smith 30-gallon residential atmospheric vent gas water heater, 30,000 BTU.
- GCNH-40A.O. Smith 40-gallon residential atmospheric vent gas water heater, 40,000 BTU.
- GNR-40A.O. Smith 40-gallon residential atmospheric vent gas water heater, 40 000 BTU.
- GNR-50A.O. Smith 50-gallon residential atmospheric vent gas water heater, 40 000 BTU.
Sources
- A.O. Smith parts list 186297-000 PDF, hotwater.com
- A.O. Smith spec sheet GCNH-40 product specifications PDF, hotwater.com