Installing the SH22 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
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.
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Support: Support.Eccotemp.com
Support: Support.Eccotemp.com
Discharge Line
(To Suitable Drain)
Cold Water
Supply Line
Shut off Valve
Manual Gas
Appliance Shut off Valve
Shop Online: www.Eccotemp.com
Shop Online: www.Eccotemp.com
Manual
Gas Supply Line
Shut off
Valve
Check Valve or
Backflow Preventer
Phone: 866-356-1992