Camco Residential Electric water heater, Troubleshooting Manual

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125˚F 90˚F
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Residential Water Heater Construction
Table of Contents
Drain valve— a metal or plastic
valve used when draining
heater for periodic cleaning or
replacement of a defective water
heater element
Lower thermostat— controls
lower heating element to
maintain desired temperature
Upper thermostat— turns
heating elements on or off
to maintain preset or desired
temperature; regulates power
to the lower thermostat
Anode rod— a rod
composed of sacrificial metal
that prevents deterioration of
the steel tank and elements
by controlling electrolysis
Hot water outlet
Dielectric nipples or
Heat Traps with
thermoplastic lining—
prevents thread corrosion
Flexible stainless steel
or copper connectors—
connects to hot and cold
water pipe system
Drain pan— plastic or metal pan to collect and
drain off leaking water or water from activated
T & P valve; must be plumbed to drain
Heating element—
a resistant type electrical
component to generate heat
Insulation
Steel tank with glass
lining—
to prevent corrosion
Cold water dip tube—
a non-metallic tube that
directs incoming cold water
to the bottom of the tank
Run-off tube— carries
water or steam safely to
drain or drain pan if T & P
valve activates
Cold water inlet
Temperature and pressure
(T & P) valve— safety device
to relieve excessive pressure
and/or temperature buildup
in tank
Limited Warranty:
Elements will be replaced to the original purchaser if proven defective in materials or workmanship. No labor
costs are included in this warranty. Complete warranty information available upon request. Warranty is void if element is installed in
anything other than a residential hot water heater.
Standard and Better Elements – 1 year from purchase date.
Premium Elements – 5 years from purchase date.
Our return policy is limited to the replacement of original purchase. No other liability, responsibility or warranty is ex-
pressed or implied, including any regarding merchantability or suitability for a particular purpose.
Residential Water Heater Construction .............................................................2
Choosing the Correct Heating Element .............................................................4
Element Flange Styles ..........................................................................................5
Thermostats ............................................................................................................7
Double Element Thermostats ..............................................................................8
Double Element Thermostat Wiring ...................................................................9
Single Element Thermostat Wiring ...................................................................10
Testing Elements and Thermostats for Failure ..............................................11
Dip Tubes, Run-off Tubes and Anode Rods ....................................................12
Drain Pans, Dielectric Nipples & Heat Traps, T & P Valves ........................13
Frequently Asked Questions about Water Heater Parts ...............................14
Troubleshooting Guide ........................................................................................16
Speciality Items ....................................................................................................18