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PLEASE NOTE: 20H IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND 20HI IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
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Phone: 866-356-1992 | Email: [email protected] | Address: 315 - A Industrial RD Summerville, SC 29483
English
Water Supply Connections....
To conserve energy and to prevent freezing, insulate both cold
and hot water supply lines. DO NOT cover the drain valves.
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and draining purposes. Before connecting the water supply pipe to
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air, caulking material, etc. inside the pipe. Connect to the water
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If a water heater is installed in a closed water supply system, such as
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shall be provided to control thermal expansion. Contact the water
supplier or local plumbing inspector on how to control this situation.
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• Free of lime and scale deposits.
•
DO NOT
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To ensure proper operation of the water heater, the following water pressure guidelines should
be followed:
•
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rate of 0.8 gpm to activate and 0.7 gpm to maintain water heater activation.
•
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•
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Pressure = Min. Operating Water Pressure (14 psi) + Pipe Pressure Loss + Faucet and Shower
Pressure Loss + Safety Margin (more than 5 psi).
•
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measurement should be calculated by the distance between the water inlet of the water heater
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• Well water systems should be set at a range of 50-60 psi.
• When the water is supplied from a water supply tank, the height of the tank and the diameter of
the pipes and their relation to water pressure, should be taken into consideration. Gravity water
pressure is not recommended.
IMPORTANT: Do not apply heat to the HOT or COLD water connections. Any heat applied to the
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NOTICE:
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fail to ignite. Keep the shower head clean from debris that could cause additional pressure drop.
Notice:
If using mixing valves on the outlet, choose one which prevents cold water pressure from
overcoming hot water line pressure.
DO NOT
use pipes with smaller diameters than the water supply connection of the water heater.
Be sure to connect the water inlet and the hot water outlet as shown on the water heater. If reversed,
the water heater will not function.
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lines, so that the water heater may disconnect easily for servicing if necessary.
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plumbing materials and tools only.
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20HI Installation
