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Water Heater
8.28 Adjusting the Winter/Summer
Setting
On Demand Models Only
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52
Adjusting the Winter/Summer Setting
8.29 Replacing the Modulating
Valve
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On Demand Models Only
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Replacing the modulating valve requires removal of
the Water Heater from the RV.
1. Perform the steps in "Shutting Down the Water
Heater" on page 32.
2. Let the water in the Water Heater cool or let the
water run until it is cool.
3. Turn off the main water supply (the pump or water
hook up source).
4. Open the hot-water faucet closest to the Water
Heater to release built-up pressure.
5. Pull the handle of the P/T relief valve straight out and
allow water to flow until it stops.
6. Push the P/T relief valve handle in allowing it to snap
shut.
7. Close the faucet.
EN
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53
Disconnecting the Water Heater
Gas Connection
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Cold Water Inlet
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8. Disconnect the cold-water inlet hose and remove the
fitting.
9. Disconnect the hot-water outlet hose.
10. Disconnect the gas connection.
11. Disconnect the wiring harness from the back of the
Water Heater.
12. Remove the mounting hardware securing the Water
Heater to the RV.
13. Remove the Water Heater from the RV.
14. Push the rubber grommets from the gas connection,
wire harness, and cold-water inlet into the back of
the Water Heater.
(bottom of
Water Heater)
54
Removing the Screws from the Bottom of the Casing
Service Procedures
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Wiring Harness
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Rubber Grommet
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45
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