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Model # 21V40-5 Official Rheem 40-gallon efficient v gas water heater
Here are the diagrams and repair parts for Official Rheem 21V40-5 40-gallon efficient v 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
21V40-5 Water Heaters
#15
Replacement parts diagram
Dip tube
Part #AS-21064-Q
Replaced by #SP11248R
?
Manufacturer substitution
This part replaces AS-21064-Q. Substitute parts can look different from the original.
$27.20
Back Order
#13
Replacement parts diagram
Anode rod
Part #AS-35693A-C
Replaced by #SP11309C
?
Manufacturer substitution
This part replaces AS-35693A-C. Substitute parts can look different from the original.
$109.29
In Stock
#7
Replacement parts diagram
Burner
Part #AP-8980-B
Replaced by #SP8980C
?
Manufacturer substitution
This part replaces AP-8980-B. Substitute parts can look different from the original.
$37.60
In Stock
#5
Replacement parts diagram
Orifice
Part #AP-7492-HH
Replaced by #AP7492HH-12
?
Manufacturer substitution
This part replaces AP-7492-HH. Substitute parts can look different from the original.
$9.63
In Stock
#11
Replacement parts diagram
Door
Part #AS-29501
Replaced by #AS29501-3
?
Manufacturer substitution
This part replaces AS-29501. Substitute parts can look different from the original.
This item is not returnable
$24.09 |
20% OFF Phone Price : $30.09
Back Order
#1
Replacement parts diagram
Thermostat
Part #AP-8555-B
Replaced by #SP20164
?
Manufacturer substitution
This part replaces AP-8555-B. Substitute parts can look different from the original.
$166.39 |
7% OFF Phone Price : $178.39
In Stock
#9
Replacement parts diagram
Drain valve
Part #AP-10424-B
Replaced by #100108605
?
Manufacturer substitution
This part replaces AP-10424-B. Substitute parts can look different from the original.
$27.78
In Stock
#12
Replacement parts diagram
Flue baffle
Part #AS-25808-A
The manufacturer no longer makes this part, and there's no substitute part
#12A
Replacement parts diagram
Hanger
Part #AS-20622-C
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Owner's manual #f642-2491
Part #AP-10821
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: water supply needs chlorine treatment, anode rod too reactive…
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…
Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
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: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…
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.
Learn some of the most common symbols found in a wiring diagram and what they mean.…
Find out what’s wrong with your appliance by following a circuit.…
Read about some water heater repairs that you can easily do yourself.…