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Rheem 44X40-1 40-gallon gas water heater Parts
Here are the diagrams and repair parts for Rheem 44X40-1 40-gallon gas water heater, as well as links to manuals and error code tables, if available.
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Browse Parts for 44X40-1 Water Heaters
Thermostat and burner diagram
Pilot Supply Tube
Part #AS-35137-H
The manufacturer no longer makes this part, and there's no substitute part
Liquefied petroleum gas models (with cast iron burner) diagram
Burner, L.p. Gas
Part #AS-22501
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Pilot Burner, Natural Gas
Part #AS-8980-B
The manufacturer no longer makes this part, and there's no substitute part
Liquefied petroleum gas models (with cast iron burner) diagram
Burner Air Shutter
Part #AS-25789
The manufacturer no longer makes this part, and there's no substitute part
Liquefied petroleum gas models (with cast iron burner) diagram
Pilot Burner, L.p. Gas
Part #AP-8915-C
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Burner
Part #AS-36335A
The manufacturer no longer makes this part, and there's no substitute part
Thermostat and burner diagram
Thermostat, Natural Gas
Part #AP-8555-F
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.
Take our quiz to see how well you treat your appliances. Then, find out what you can do to help them last longer.…
These common questions and answers can help you make the most of your water heater.…
Read about some water heater repairs that you can easily do yourself.…
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