Westinghouse parts are simpler than mainstream tank parts because the stainless storage tanks don\'t need anode rod replacement. Tankless and heat pump add specific service parts. US Craftmaster (the manufacturer) handles warranty parts; aftermarket cross-references work for many items.
Where to buy Westinghouse parts
- Westinghouse tech support: 1-800-388-0006 — warranty parts
- westinghousewaterheaters.com — parts catalog
- SupplyHouse.com / PEX Universe — universal water heater parts that fit Westinghouse
- Amazon — elements, thermostats, T&P valves common
- Home Depot / Lowe\'s — universal Camco, Honeywell parts at retail
Common parts (linked pages)
- Heating element — 4500W standard, ¾" universal screw-in
- Thermostat — upper (with ECO) and lower for electric storage
- Gas valve — atmospheric and Power Vent gas tanks
- Flow sensor — tankless activation sensor
- T&P valve — universal ¾" NPT
- Drain valve — upgrade plastic OEM to brass ball valve
Parts Westinghouse stainless storage doesn\'t have
- No anode rod — stainless tank doesn\'t corrode; no anode required ever
OEM cross-references
| Part | Westinghouse spec | Universal equivalent |
|---|---|---|
| 4500W element (electric storage) | ¾" NPT screw-in | Camco / Rheem / AO Smith 4500W identical |
| Upper thermostat with ECO | Surface-contact spring-clip | Honeywell L4006A, Therm-O-Disc, Camco universal |
| Lower thermostat | Surface-contact spring-clip | Universal lower thermostat |
| Gas valve (atmospheric) | Honeywell or White-Rodgers | OEM Westinghouse for warranty; universal may fit out-of-warranty |
| T&P valve | ¾" NPT, 150 PSI / 210°F | Watts, Honeywell, Cash Acme universal |
| Drain valve | ¾" plastic OEM | Brass ¾" ball valve recommended upgrade |
Bottom line
Universal water heater parts fit Westinghouse storage tanks. Tankless parts are more model-specific — order through Westinghouse for warranty compliance. Stainless tank simplifies the parts inventory by eliminating anode rod.