Installing the SH22i Water Heater
Typical Installation (Some Items May Not Apply)
Expansion Tank
(If Needed)
Air Relief
Valve
To Hot
Water Faucet
Pressure
Relief Valve
Drain Valve
Discharge Line
(To Suitable Drain)
NOTICE: The National Fuel Gas Code (NFGC) mandates a manual gas shut- off valve: See
(NFGC) for complete instructions. Local codes or plumbing authority requirements may vary
from the instructions or diagrams provided and take precedent over these instructions.
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
1/4" Per Foot Downward Pitch
Cold Water
Supply Line
Shut off Valve
Manual Gas
Appliance Shut off Valve
Shop Online: www.Eccotemp.com
Shop Online: www.Eccotemp.com
Wall Thimble
Vent Termination
Manual
Gas Supply Line
Shut off
Valve
Phone: 866-356-1992
Store Locator: Eccotemp.com/locator
23
Designed in
Summerville, SC