Light Duty Commercial Electric
Voltage and Wattage Conversion Instructions
Conversion to be performed by a Qualified Service Person only.
Underwriters Laboratories Inc. recognizes this procedure as herein presented and no deviation from these
instructions are allowed.
LDWH-6U
LDWH-12U
LDWH-20L
LDWH-30L
LD-20L
LD-30L
LD-30R
LD-40L
LD-40S
LD-50L
LD-50S
LD-65R
LD-80R
LD-120R
LD-6U
LD-15U
LD-20U
LD-30U
LD-10U
LD-12U
LD-12UT
Page 1 of 5
238-46411-00A
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Element(s) Removal:
1. Turn off electrical power to water heater,
DISCONNECT FROM POWER SOURCE.
Remove
screw
2. Drain water heater.
3. Remove element access cover(s).
Element
access cover
4. Remove Insulation.
Remove
insulation
5. Remove thermostat(s) protector.
Remove
thermostat
protector
Page 3 of 5
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6. Disconnect wire leads from element(s)
terminal block.
Element
terminal block
Disconnect wire
leads from
element terminal
block
7. Remove element(s) from tank using 1½" deep
well socket or wrench. Unscrew element(s)
counter-clockwise to remove from tank.
Unscrew element(s)
counter-clockwise to
remove from tank
Element(s) Installation:
8. Check element terminal block for proper
electrical rating.
Note: Some elements have a dual rating, so be
sure to check all surfaces on element terminal
block.
Check rating(s)
on element
Page 4 of 5
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9. Apply new gasket(s) to new element(s) from
conversion kit.
Note: Make sure gasket is seated flat against
element flange without rolls or gaps.
Gasket
Element
flange
10. Thread new element(s) clockwise into tank. Tighten
element(s) with a 1 ½" deep well socket or wrench. Do
not over tighten. Over-tightening may damage gasket.
Note: Clean any debris from element(s) fitting to tank.
Lubricate element(s) threads as needed with thread
lubricant.
Thread
element(s)
clockwise
into tank
11. Be sure tank is filled with water and check for leaks.
12. Reconnect wire leads to element(s) terminal block.
13. Replace thermostat(s) protector and insulation.
14. Replace access cover(s).
Reconnect wires
leads to element(s)
15. Restore electrical power.
terminal block
16. Place appropriate label (supplied
with kit) so it covers electrical
information on water heater rating
plate.
Note: Be certain not to cover model
number, serial number and capacity
information.
Cover electrical information only
with appropriate overlay
Water heater rating plate
Page 5 of 5
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