Installation Guide

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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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NOTICE: The National Fuel Gas Code (NFGC) mandates a manual gas shut- o 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.
Installing the SH22 Water Heater
Typical Installation (Some Items May Not Apply)
Manual
Gas Supply Line
Shut off
Valve
Cold Water
Supply Line
Shut o Valve
Check Valve or
Backow Preventer
Manual Gas
Appliance Shut off Valve
Discharge Line
(To Suitable Drain)
Drain Valve
Pressure
Relief Valve
To Hot
Water Faucet
Air Relief
Valve
Expansion Tank
(If Needed)