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Rheem 21V30T 30-gallon mobile home gas water heater Parts
Here are the diagrams and repair parts for Rheem 21V30T 30-gallon mobile home gas water heater, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
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Browse Parts for 21V30T Water Heaters
Thermostat and burner diagram
Thermocouple
Part #AP-6379-QReplaced by #H06E-36
Manufacturer substitutionThis part replaces AP-6379-Q. Substitute parts can look different from the original.In Stock$17.4110% OFF Phone Price : $19.41
Qty
Thermostat and burner diagram
Burner
Part #AP-8980-CReplaced by #SP8980C
Manufacturer substitutionThis part replaces AP-8980-C. Substitute parts can look different from the original.In Stock$63.49QtyThermostat and burner diagram
Burner
Part #AP-8980-BReplaced by #SP8980C
Manufacturer substitutionThis part replaces AP-8980-B. Substitute parts can look different from the original.In Stock$63.49QtyThermostat and burner diagram
Orifice, Burner (lp Gas) (red)
Part #AP-6234-B
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Anode Rod
Part #N/P
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Owner's Manual
Part #AP-10046
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Orifice, Pilot Burner (natural Gas)
Part #AP-8392-B
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Tube
Part #AS-35137-C
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Orifice, Pilot Burner (lp Gas) (red)
Part #AP-8392-D
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Burner, Natural Or Lp Gas
Part #AP-29458A-B
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your water heaters
Choose a symptom to see related water heater repairs.
Main causes: faulty pressure relief valve, water is overheating…
Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…
Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…
Main causes: water supply needs chlorine treatment, anode rod too reactive…
Effective articles & videos to help repair your water heaters
Use the advice and tips in these articles and videos to get the most out of your water heater.
If your pilot light keeps going out, a dirty thermocouple might be the culprit. Here’s how to clean it yourself to keep …
Find out what’s wrong with your appliance by following a circuit.…
Find out how to clean and flush household appliances once a boil water advisory is lifted.…
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