To ensure proper operation of the water heater, the following water pressure
guidelines should be followed:
●
Operation of the water heater requires the minimum water pressure of 14 psi
and a minimum water flow rate of 0.75 gpm.
●
Additional water pressure is required for long pipe runs and outlet fitting(s)
water pressure drops.
●
To maintain proper performance, ensure suffcient water supply pressure. The
Required Water Pressure = Min. Operating Water Pressure (14 psi) + Pipe
Pressure Loss + Faucet and Shower Pressure Loss + Safety Margin (more than
5 psi).
●
To supply hot water to upper floors, additional water pressure (0.44 psi/ft) must
be ensured. The measurement should be calculated by the distance between
the water inlet of the water heater (ground level) to the hot water faucet (upper
floor level).
●
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.
IM
PORTANT:
Do not apply heat to the HOT or COLD water connections. Any heat
applied to the water supply fittings will permanently damage the internal
components of the water heater.
NOTICE:
If the water flow resistance of a shower head is too high, the burner in
the water heater will 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.
Installation of unions or flexible copper connections are recommended on the HOT
and COLD water lines, so that the water heater may disconnect easily for servicing
if necessary.
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3330-A Marathon Ct Charleston, SC 29418
1(844) 538-7475
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