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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.
Support:
Eccotemp.com/help-desk
Shop Online:
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Store Locator:
Eccotemp.com/locator
Phone: 866-356-1992 | Email: [email protected] | Address: 315 - A Industrial RD Summerville, SC 29483
English
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terminal. In cold weather this condensate
can freeze on the exterior wall, under
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Some discoloration to the exterior of
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improper location or installation can
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Leak Testing
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injury, or death could result.
The water heater and its gas connections must be leak tested at normal operating pressures before
it is placed in operation.
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Bubbles indicate a gas leak that must be corrected.
The factory connections should also be leak tested after the water heater is placed in operation.
High Altitude
The Eccotemp 20H and 20HI Gas Tankless Water Heaters have been tested for use at elevations up to 2,000 feet.
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Heaters above 5,000 feet is not recommended.
Installing the water heater.
Flue Terminal Location
The location of the vent terminal depends on the following minimum clearances and considerations
(see illustration):
• Twelve (12) inches above grade level and above normal snow levels.
• Four (4) feet below, or four (4) feet horizontally from any door,
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or other appliances, or from gas or electric meters. Do not locate
vent above walkways, doors, windows, air inlets, gas or electric
meters or other equipment.
• Ten (10) feet from any forced air inlet to the building. Any fresh or
make-up air inlet such as for a dryer or furnace area
is considered to be a forced air inlet.
• Eighteen (18) inches from an inside corner formed by two exterior walls.
• DO NOT install vent terminal under any patio/deck or too close
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nuisance or hazard and may cause property damage. Condensate
vapor could cause damage and be detrimental to the operation of
regulators, relief valves, or other equipment.
• To help prevent moisture from freezing on walls and under eaves,
do not locate vent terminal on the side of a building
with prevailing winter winds. The water heater must be located as
close as practicable to a chimney or gas vent.
• Caulk all cracks, seams and joints within six (6) feet of vent terminal.
• All painted surfaces should be primed to lessen the chance of
physical damage. Painted surfaces will require maintenance.
• Use of cellular core PVC (ASTM F891), cellular core CPVC, or
Radel (polyphenylsulfone) in non-metallic venting systems is
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thermal insulation is prohibited.
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designed to burn solid fuel.
Additional Considerations
20H Installation
