Features:
• Use for horses, cattle, dogs, and other
animals. No training required.
• Easy-cleaning bowl with removable
drain plug made from durable, UV-
resistant plastic (HDPE)
Contains:
Tools Required:
• 1 Waterer Bowl Assembly
• Drill
• 1 Float Assembly
• 1/4" or 13/32" dia. Drill Bit
• 1 Mounting Plate
• Ratchet Wrench
• 2 Neoprene Washers
• Flat Head Screwdriver
• 2 Piece Drain Plug Assembly
• 3" Extension
with Rubber Washer
• 9/16" Hex Socket
• 1 Square Plastic Plug
• 9/16" Hex Wrench (when using through bolts)
(already assembled)
Additional Items Required (not included):
Installing with Lag Screws
(1-5/8" min. surface thickness):
• 2 Lag Screws (3/8")
• 2 Flat Washers (3/8")
Installing with Through Bolts:
• 2 Bolts (3/8-16)
• 4 Flat Washers (3/8")
• 2 Hex Nuts (3/8-16)
1/2" Flex Hose Water Supply:
• No additional items required
1/2" Pipe Water Supply:
• 1 Galvanized Union (1/2" NPT)
Note: A back flow prevention device may be required. Check local plumbing
codes or contact a local licensed plumber for additional information.
Drain Plug Operating Instructions:
Included is a two piece drain plug and a rubber
washer.
1. Assemble rubber washer onto the threaded
portion of the plug.
2. Insert the plug with rubber washer through
the drain hole from the inside of the bowl.
3. Thread the drain plug nut onto the plug
from the outside of the bowl, continue until
tight. It may be required to hold the plug in
place from the inside of the bowl while turning
the drain plug nut from the outside. A flat head
screwdriver can be placed in the slot on the drain plug to keep it from rotating.
4. To drain the bowl, rotate the drain plug nut counterclockwise from the outside
of the bowl. It may be required to hold the plug in place from the inside of the
bowl while turning the drain plug nut from the outside. A flat head screwdriver
can be placed in the slot on the drain plug to keep it from rotating.
Mounting Instructions:
Note: The waterer is shipped with the float assembly installed on the right side
of the waterer bowl. The float assembly can be installed on either side of the
waterer to best suit your application. Carefully remove the square plastic plug
and the mounting nut and fiber washer from the float assembly. Reinstall the
float assembly on the left side and the square plastic plug on the right side of the
waterer before proceeding.
1. Waterer valve cover comes loosely assembled. Remove valve cover, float pin,
and float/arm assembly to gain access to mounting holes. (see Figure 2).
2. Mount the waterer to a flat rigid surface like a stall, fence, or post with the
mounting surface (back) of the waterer bowl as vertical/plumb as possible. For
additional protection against damage from animals, mount the waterer near
Automatic Waterer
Item # 89PLWDP
• Adjustable float control to maintain a
constant water level.
• Water supply via 1/2" male NPT
connection at 20-50 psi.
3/4" Pipe Water Supply:
• 1 Galvanized Reducing Coupling
(3/4" NPT to 1/2" NPT)
Garden Hose Water Supply:
• 1 Garden Hose Thread Adapter (1/2"
• Female NPT) (FW1608).
• 1 Hose Washer (T828)
• Light Gauge Wire Mesh
(to protect hose from livestock).
Note: DO NOT wrap garden hose with
heat tape as softening and leaks may
develop.
DRAIN
PLUG
RUBBER
WASHER
FLOAT ARM
FLOAT
ASSEMBLY
PIN
Figure 1
DRAIN PLUG
NUT
Miller Manufacturing, Glencoe, MN 55336 USA •www.miller-mfg.com
WATERER
ASSEMBLY
NEOPRENE
WASHER (2)
3/8" FLAT
WASHER (2)
3/8" LAG
SCREW (2)
Figure 2
an inside corner if possible. Note: The waterer must be properly mounted to a
vertical surface. The waterer will not work properly laying on the ground.
3. Use the water bowl to measure and mark the mounting holes at the desired
mounting location.
4. Drill a hole in each of the two (2) marked locations.
a. If mounting the waterer with 3/8" lag screws, use a 1/4" dia. drill.
b. If mounting the waterer with 3/8-16" through bolts, use a 13/32" dia. drill.
5. Install the waterer as shown (see Figure 2 or 3).
Note: Always use the mounting plate provided.
6. Tighten the lag screws or through bolts securely and reinstall the float/arm
assembly and pin.
7. Wrap all supply line pipe thread connections (including the threads on the
valve) with Teflon
thread sealing tape and connect the water supply to the
®
float assembly. DO NOT overtighten any fitting or supply line connection.
8. Check to make sure the waterer fills and shuts off properly.
9. The water level is preset at the factory; however, minor adjustments can be
made to increase or decrease the water level in the waterer if desired.
To adjust the water level, remove float arm assembly by pulling out the
connecting pin, loosen the float mounting screw and nut with a screwdriver,
then rotate the float arm up or down to achieve desired water level. Make sure
you retighten the mounting screw and nut securely.
CAUTION: Rotating the arm too far up or failing to secure the float mounting
screw and nut may prevent the waterer from stopping the water supply flow
and run continuously.
10. Once desired water level is set, place the valve cover over the valve and hand
WATERER
tighten the valve cover to the bowl with provided hardware.
ASSEMBLY
OPERATING TIPS:
If the water flow does not stop...
1. Make sure water supply pressure is below 50 psi.
2. Make sure float arm moves up and down freely without binding.
3. Make sure float is not hitting the plastic valve cover when closed.
4. Remove float pin and float arm assembly:
a. Check for water inside the float. Replace SW23 float if necessary.
b. Remove any debris from valve tip or valve seal and test.
c. Replace SW8 seal and test. (An additional seal is provided on the side
of the float arm)
d. Check SW20 valve tip for chips, surface imperfections, or cracks.
Replace valve if necessary.
Replacement Parts*
PLUG
SW19*
MOUNTING
PLATE
SW9*
RUBBER
WASHER
SW26*
Installation Instructions
WATERER
ASSEMBLY
VALVE
MOUNTING
3/8" - 16
MOUNTING
3/8" FLAT
PLATE
THROUGH
PLATE
WASHER (2)
BOLTS (2)
FLOAT KIT
WATERER
SW25CKIT*
ASSEMBLY
FLOAT
SW23*
VALVE
SW20*
FIBRE
WASHER
SW10*
SEAL
SW8* (2)
NEOPRENE
WASHER
SW11* (2)
LOCK NUT
VALVE KIT
SW14*
SW24KIT*
*Only items with part numbers
are available for replacement.
THROUGH
MOUNTING
SURFACE
3/8-16
HEX NUT (2)
3/8" FLAT
WASHER (2)
VALVE
NEOPRENE
Figure 3
WASHER (2)
DRAIN
PLUG
RUBBER
WASHER
SW26*
DRAIN PLUG
NUT
DRAIN PLUG KIT
ASWDPKIT*
1000591