Installation Guide

Read Instructions Thoroughly Before Use
SPECIFICATIONS
- 1500 Watts,120 Volts
CAUTION
(1 ) Have a qualified electrician install a properly grounded
receptacle outlet, acceptable for outdoor use and protected from
snow and rain, immediately adjacent to the location where the
heater will be used, (2) route the supply cord and locate the
heater so as to be protected from damage by livestock, (3) do
not use extension cords, (4) inspect cord before using, (5) unplug
heater at receptacle outlet when not in use or before removing
from tank, (6) store heater indoors after winter season, (7)
heating element MUST be completely submerged while in use to
prevent risk of fire hazard, (8) do not tether unit, and (9) Caution:
to ensure continued protection against electric shock hazard,
connect to properly grounded outlets only.
MAINTENANCE
Do not allow lime or other impurities in the water to build up on
the heating element. The frequency of cleaning depends directly
upon the composition of your water supply. To remove buildup,
soak the heating element in vinegar or a lime removing cleaner
obtained at any farm or hardware store. Then use a rough brush
to scrub the element. Do not use steel wool or something that will
scratch the element. Inspect the element for any cracks before
reinstalling.
GROUND FAULT INTERRUPTER
Must be installed in the circuit. This is a very sensitive device that
cuts off the electrical current if there is any leakage of electricity
in your water tank. This device may be obtained from any
electrician or hardware store.
WARRANTY
This de-icer is warranted 12 months from the date of purchase.
If you believe your de-icer is defective and still within the
warranty period, return it to the factory for inspection and
possible replacement. The warranty is voided if (1) the ground
terminal on plug has been removed, (2) excessive deposits have
been allowed to accumulate on the heating element, (3) there is
evidence of general abuse such as animals chewing on the cord.
This warranty does not cover incidental or consequential damage
resulting from either a defect in parts, materials, or operation
failure. Some states do not allow the exclusion or limitation of the
above damages so the above limitation may not apply to you. No
agent, employee, or representative of Miller Manufacturing has
any authority to bind Miller Manufacturing to any affirmation,
representation or warranty directed towards any products bearing
the Miller Manufacturing name, except as stated herein. This
warranty gives you specific legal rights. You may also have other
rights which vary from state to state.
INSTALLATION INSTRUCTIONS
Note: This model has a specially designed drain plug to fig
through all drain holes 3/4” or larger.
1. Unscrew and remove the drain plug from the drainhole of your
stock tank. Save this plug because you will need to reinsert
the drain plug once the heating season is over and you have
removed your de-icer from the tank.
2. Remove the plastic nut from the de-icer.
3. For use in a Rubbermaid tank:
We recommend that you remove the entire drain assembly.
To remove this assembly you must first remove the plastic nut
found on the outside of your Rubbermaid tank. This nut holds
the drain assembly in place. After the nut is removed, the drain
assembly can be removed. You should remove the threaded
drain assembly, plastic nut and rubber gasket. Save these
items to be reinstalled in your tank after the heating season. If
you’re using a Rubbermaid tank and have removed the drain
assembly as described above, you should choose side “B” of the
nut as shown in figure 1. You will install your de-icer with this
side facing the tank.
For all other tanks:
You will note that the nut has two sides. One side is marked
side “A” and the other is marked side ”B”. You must determine
which side of the nut to place against the drain hole.
1. Determine the correct side by placing the nut against the drain
hole on the outside of the tank.Try to fit the diameter of the
raised inner ring of each side of the nut into the inner diameter
of the drain hole (see figure 1). Choose the side that fits most
snugly. This will help secure and center the de-icer within the
opening of larger drain holes found on some tanks.
2. If the raised inner ring (on both sides of the nut) shown in
figure 1 is larger in diameter than the drain hole diameter
found on your tank, then you may use either side of this nut.
This indicates that the drain hole is small enough to allow your
de-icer to remain centered within the drain opening.
3. If the nut is “bumping” into the ground or any other surface
which the tank rests on, you must shim under the tank to raise
this area. The nut should then twist freely.
4. Be sure to leave the rubber gasket on the threaded side of the
de-icer and against the plastic plate of the heater housing.
5. Set the de-icer on the inside of the tank. Let it rest on the
bottom of the tank. The rubber gasket should be between the
inside of the tank surface and the plastic plate of the heater
housing (see figure 2).
6. Insert the power cord plug through the drain hole from the
inside of the tank. This connection is water resistant, NOT
water-proof. This connection should never be placed directly
in water as electrical shock will occur! This could result in death
or injury.
7. Test to be sure that the plastic plate and rubber gasket both fit
flush against the diameter of the drain hole from the inside of
the tank.
a) If the bottom of the plastic plate is bumping into the bottom
of the tank surface and preventing the de-icer from laying
flush against the
drain hole-snap
the plastic strip off
along the groove as
shown in figure 4. If
breaking this strip
was necessary then
you must also take
a knife and cut the
overlapping piece of
gasket.
8. Insert the plastic nut onto the cord using the “slot” in the nut.
The plastic nut should be inserted so the side chosen in step #1
is facing toward the tank surface. If you have not completed
step #1, you must do so before attempting this step.
9. Tighten the nut onto the threaded stem of the heater housing
and up against the outside tank surface. Position the nut so
that the raised ring fully inserts into the drain hole of the tank
(see figure 2). This is only necessary if you have determined
that this ring is of smaller diameter than the drain opening in
your tank as tested by completing step #2. This will stabilize
the de-icer.
10. Tighten this nut ‘’snug” but do not over tighten. Be sure the
unit is unable to twist in the tank.
If you are experiencing leaks:
a) Check to be sure the unit is fitting flush against the diameter of
the drain plug on the inside of the tank. See step #8.
b) Did you choose the correct size of nut? See step #1.
DRAIN PLUG DEICERS
Item # 2002DP
304893
1
1
/
2
”
2”
FIGURE 1
Raised
inner
ring
Raised
inner
ring
FIGURE 2
Plastic
plate
Rubber
gasket
Tank
surface
Plastic
nut
FIGURE 4
UP
Miller Manufacturing, Glencoe, MN 55336 USA • www.miller-mfg.com