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ACT-303-BTW
How The
System Works:
The
 pump is installed under
the sink or faucet farthest from the water heater -- where hot water
usually takes the longest amount of time to arrive.
A built-in temperature sensor automatically turns
the
pump
on when the water
temperature in the hot water supply line cools down to 85º F. This cool water
in the hot water supply line is then pumped into the cold water line and
back into the water
heater.
The
pump turns off automatically when
the hot water supply line to the faucet reaches 95º F, ensuring the instant availability of shower warm water
with maximum temperature hot water only seconds behind. When the pump is
automatically turned off by the built-in thermostat, an auto closure device prevents
hot or cold water from mixing in either supply line.
Hot water will also be instantly available at all other faucets in
the supply line between the water heater and the faucet where the
pump is
installed.
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The
Under-Sink Instant Hot Water Pump System...
- does not require a return line.
- requires only 33 watts of power.
- comes complete with a 6 ft. long power cord.
- requires only one pump and one installation for all fixtures on
the hot water plumbing line.
- has built-in fixed thermostat or an optional, adjustable
thermostat.
- saves the average family of four up to 17,000 gallons of water
annually.
- is silent during operation.
- saves energy, money, water and pays for itself in a short period
of time (see energy saving chart).
- has a built-in 24 hour timer which allows the selection of
system operating periods to suit family usage.
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Typical System Layout
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Saves Money and Pays for Itself
Calculations based on: Water cost=
$2.02/100ft3. Sewer surcharge = $ 1.35/100ft3. Notes: Use of
insulated copper supply line on Autocirc system would result in
additional savings. Actual savings may differ from household to
household depending on a variety of factors incl. water use habits,
length of hot water supply line, number of home occupants, etc.
Above summary based study and analysis prepared by Edward Saltzberg
and Associates, Consulting Mechanical Engineers. Copies of this
detailed analysis are available on request from Laing Thermotech,
Inc.
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Only 7 Basic Installation Steps:
- Select sink under which the
should be located (Sink where hot water takes longest to
arrive).
- Install a 115 volt outlet under sink or run cord to
outlet near sink.
- Turn off angle stops valves and disconnect existing
supply hoses from the hot and cold water supply inlets of the faucet.
- Attach 3/8" end of the new hoses to pump housing
and attach other 1/2" end to the hot and cold water supply inlets of the faucet.
- Attach existing supply hoses from the angle stop
valves to the 1/2" hot and cold water inlets of the
pump.
- Set pump timer for desired operation period.
- Install the
to the wall under the sink with the bracket provided. Turn on the water at the angle stop valves and plug in the 115 volt
cord into the outlet. Turn on the desired run mode setting and the system is now operational
Tools Required:
- Adjustable Wrench
- Screwdriver
Parts Required:
-
pump
which includes pump with built-in timer, 6 ft. Line cord,
and wall bracket.
- Two stainless steel wrapped flexible hoses (1/2" X 3/8" fittings) length as required to suit your installation.
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Copyright © 2006 Laing Thermotech, Inc.
All Rights Reserved
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