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Shut-off
Valve
Pressure
Relief
Valve
Pressure
Switch
Well
Seal
Pressure
Gauge
Drain
Valve
Foot
Valve
In-line
pressurized tank
with shallow well
jet pump
MC#7230 (05/12)
www.waterworkerdiy.com
1. As the pump fills the tank
with water, the air above the
diaphragm is compressed.
This increases the pressure
in the tank and causes the
pressure switch to turn off
the pump.
2. When water is drawn from the
tank, pressure inside the tank
decreases until the pressure
switch starts the pump. The
amount of water delivered
between pump cycles is
called drawdown. The greater
the drawdown capacity, the
less the pump needs to run,
saving energy and money, and
extending pump life.
3. As water is drawn from the tank,
the reduced pressure starts the
pump and refills the tank.
Count the number of water fixtures and select
the closest tank size according to the chart.
Example: For a home with 3 sinks, 3 toilets, a
dishwasher, shower, bathtub, washing machine
and an outside faucet, (11 water fixtures) the
correct tank size would be: HT-44B.
There are no disadvantages to having a larger
well tank. The larger the tank, the fewer pump
cycles – extending pump life and saving
electricity. Larger tank sizes will also increase
the water storage volume to provide more
consistent pressure.
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Water Worker
®
Well Tanks are made in the USA, easy to install and specifically
designed for years of dependable, trouble-free, energy-saving operation.
Strong steel shell
with weather-resistant
paint system
protects tank from
the elements.
Watertight liner and
diaphragm provide
a corrosion-resistant
water reservoir for
the water.
Waterway is
welded to tank
providing a reliable,
watertight seal.
Durable steel base
for strong support.
Air valve can be
serviced without
moving or replacing
the entire tank.
Heavy-duty
diaphragm has
seamless
construction for
uniform strength.
Diaphragm is
designed to flex,
rather than stretch
or crease, for
extra long life.
Diaphragm and
polypropylene
liner meet FDA
requirements for
potable water, do
not support bacteria
growth and maintain
water quality.
Tank SelectionTank Features
Number
of Water
Fixtures
WaterWorker
Capacity
(gal)
Model No.
Epoxy Tank
Equivalent
(gal)
2 2.0 HT-2B —
2 4.4 HT-4B 12
2 5.3 HT-6HB 12
3 7.4 HT-8B 20
4 14 HT-14B 30
4 14 HT-14HB 30
6 20 HT-20B 42
6 20 HT-20HB 42
8 26 HT-30B —
10 32 HT-32B 82
14 44 HT-44B 120
20 62 HT-62B —
28 86 HT-86B 220
40 119 HT-119B 315
The design of a Water Worker tank is much more
efficient than an epoxy tank. This allows a smaller
Water Worker tank to deliver the equivalent
performance as compared to a much larger
galvanized or epoxy tank.
Tank Operation Typical Tank Installation
All well systems require a pre-pressurized well
tank to provide a buffer of stored water. Without
supplemental storage, small water uses like running
a faucet or flushing a toilet would cause rapid
pump cycling. This can lead to potential pump
failure - an expensive repair or replacement often
costing thousands of dollars.