Care and Cleaning of the SH22i Water Heater
Draining the Water Heater
Expansion Tank
(If Needed)
Air Relief
Valve
To Hot
Water Faucet
Pressure
Relief Valve
Drain Valve
Discharge Line
(To Suitable Drain)
Below are instructions for draining water out of the water heater.
1. Turn off the switch on the remote control.
2. Close the gas shut off valve(s).
3. Close the water shut off valve.
4. Turn the on/off switch to the OFF position and disconnect breaker at least 10 seconds after step #1.
5. Open drain valve.
6. Open all hot water faucets. Before proceeding to the next step, make sure that COLD water is coming out of all
hot water faucets.
7. To put the water heater back into operation after draining, follow the steps below.
8. Reinstall the water filter. Close the hot water outlet drain valve.
9. Open the water shut off valve and close again after making sure that water comes out from hot water faucets.
(This step is to remove air from the water lines.)
10. Reconnect the breaker and turn the on/off switch to the ON position, fully open the gas shut off valve and the
water shut off valve.
NOTICE: The water heater may not operate unless the above procedure is followed correctly.
PLEASE NOTE: SH22 IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND SH22I IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
AND ALL ECCOTEMP CONTENT IS SUBJECT TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
Support: Support.Eccotemp.com
Support: Support.Eccotemp.com
Cold Water
Supply Line
Shut off Valve
Manual Gas
Appliance Shut off Valve
Shop Online: www.Eccotemp.com
Shop Online: www.Eccotemp.com
WARNING:
Failure to follow these
instructions while
draining the water
heater can cause
serious damage to
the water heater as
well as personal injury
including scalding.
Manual
Gas Supply Line
Shut off
Valve
Phone: 866-356-1992
Store Locator: Eccotemp.com/locator
47
Designed in
Summerville, SC