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PLEASE NOTE: 20H IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND 20HI IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
AND ALL ECCOTEMP CONTENT IS SUBJECT TO CHANGE WITHOUT NOTICE. PLEASE VISIT WWW.ECCOTEMP.COM/SUPPORT FOR MORE INFORMATION.
Phone: 866-356-1992 | Email: [email protected] | Address: 315 - A Industrial RD Summerville, SC 29483
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Expansion Tank
(If Needed)
To Hot Water
Faucet (S)
Pressure
Relief Valve
Drain Valve
Discharge Line
(To Suitable Drain)
Remote Control
Gas Supply Line
Control Panel
Manual Gas
Appliance
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(Supplied)
Installing the 20HI Indoor Tankless Water Heater
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20HI Installation
Reference Vent Manufacture
Component Information Page 32
Vent Adapter *
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Wall Thimble*
Termination*