Tankless Water Heater Installation Checklist

Jul 7th 2022 Eccotemp Systems

Congratulations on #GoingTankless! See below for a quick list to make sure installation goes as smoothly as possible. This list applies to Indoor and Outdoor Tankless Water Heaters.

NOTE: The water heater should be installed by a professional. Improper installation may cause failure or dangerous conditions such as gas leaking or explosion. Read your product manual thoroughly and have it available for your installer to use.

Water Heater Location

Installed indoors/outdoors
Close to area of mostly used outlet
Protected from freezing temperatures
Proper clearance from combustible surfaces observed
Sufficient fresh air supply for proper operation of water heater
Air supply free of corrosive elements and flammable vapors
Provisions made to protect area from water damage
Sufficient room to service heater
Combustible materials, such as clothing, cleaning materials, rags, etc. clear of the heater and vent piping
Water heater is properly attached to the wall

Water Supply

Water supply has sufficient pressure
Air purged from water heater and piping
Water connections tight and free of leaks
Water filter is clean and in place
Materials used are as instructed in this manual Water pipes are insulated

If it's Electric

Electrical Service Requirements (dedicated breakers)
Water Pressure Requirements
Permit (if state required)
Dry/Non-freezing location
Correct wire gauge
Voltage matches rating plate
Water heater is properly grounded
Wiring meets all local codes
GFCI (Ground Fault Circuit Interrupter) Protection where required

If it's Gas Supply

Gas type matches rating plate
Gas supply pressure is sufficient for the water heater
Gas line equipped with shut-off valve, union and sediment trap
Approved pipe joint compound used
Commercial leak detector or soap and water solution used to check all connections and fittings for possible gas leak
Gas Company inspected installation (if required)

Relief Valve

Pressure Relief Valve properly installed and discharge line run to open drain
Discharge line protected from freezing

Clean Your Water Heater

This is a must to keep your water heater running efficiently for years to come. Be sure to flush every 6 months with the EZ-Flush Descaler Kit. The EZ-FLUSH system is designed to work seamlessly with Tankless Water Heaters and virtually any water-based equipment. It includes our Eccotemp Descaler that is specifically made to dissolve the toughest build-up and is a non-toxic concentrate, which is certified to NSF/ANSI 60 for use as a cleaner in portable water systems.

Tankless Water Heater Installation Checklist

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