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PRIER Products, Inc.
4515 E 139th St.
Grandview, MO 64030
800-362-9055 Fax: 800-362-1463
www.PRIER.com
Installation, Operation & Maintenance Instructions for the
PRIER C-434 Self-Draining Anti-Siphon Wall Hydrant
*Please leave this sheet for the property homeowner*
Dear Homeowner,
Your plumbing contractor has selected the nest outdoor faucet
available for installation at your property. The patented design meets
or exceeds plumbing codes regarding anti-siphon and backow prevention, keeping our potable water system safe. What’s more, the
hydrant is self-draining to prevent your pipes from bursting in freezing weather, even if the hose is left attached.
A few important features of your new hydrant are as follows:
Your hydrant has drain holes under the packing nut (behind the handle) that allow the water to drain from the hydrant after shutoff to
prevent freezing. After shutoff, water will drain from behind the packing nut for a few moments (Figure A). This is normal and according
to design.
If you use a hose nozzle, you should release the pressure from the
hose before shutting off the hydrant (Figure B). As you turn off the
hydrant, the water will drain from under the packing nut as described
above. The backow will sense a backow
condition in the hose and release the water
pressure at the hose threads. This assures
the backow preventor is working properly
(Figure C).
Figure A
Upon shutoff, water will drain
from here.
Figure C
Under a backow condition, water
will spray from these holes.
Figure B
If you have any questions about the installation or operation of your PRIER freezeless hydrant, please call PRIER Customer
Service at 800-362-9055, or contact us
via e-mail at [email protected]. PRIER has
been manufacturing products for plumbing
systems since 1881! PRIER products have
been purchased by your ancestors and will
be used by your grandchildren.
Maintenance:
The C-434 Self-Draining Anti-Siphon Wall Hydrant leaves the factory fully air tested and operational. It
is treated with an FDA approved lubrication. The hydrant requires no scheduled maintenance to provide
long life. If the stem is removed, the bypass O-Ring needs to be replaced and lubricated with an FDA
approved lubricant to avoid tearing.
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Replacement Parts
5
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4515 East 139th Street
Grandview, MO 64030
(800) 362-9055
Fax (800) 362-1463
www.PRIER.com
5
ID Part No. Description
1 See Below Stem Assembly, Contains: 1, 5
2 C-134KT-805 Operating Handle and Screw Kit
3 C-434KT-903 Stem Packing and Washer Kit
4 C-434KT-906 Vacuum Breaker Repair Kit
5 C-434KT-902 Stopper and Pin Kit (with tool and o-ring)
6 300-1011 Valve Stem Cap for C-434
7
2
7
/8”
Hydrant Length
Replacement Stems
Part No. Description Stem Length
P-231-04CC Close Coupled Stem for C-434/C-534 Hydrant 3 7/8" OAL
P-231-0404 Stem for 4" C-434/C-534 Hydrant 6 3/4" OAL
P-231-0406 Stem for 6 " C-434/C-534 Hydrant 8 3/4" OAL
P-231-0408 Stem for 8" C-434/C-534 Hydrant 10 3/4" OAL
P-231-0410 Stem for 10" C-434/C-534 Hydrant 12 3/4" OAL
P-231-0412 Stem for 12" C-434/C-534 Hydrant 14 3/4" OAL
P-231-0414 Stem for 14" C-434/C-534 Hydrant 16 3/4" OAL
P-231-0416 Stem for 16" C-434/C-534 Hydrant 18 3/4" OAL
P-231-0418 Stem for 18" C-434/C-534 Hydrant 20 3/4" OAL
P-231-0420 Stem for 20" C-434/C-534 Hydrant 22 3/4" OAL
P-231-0422 Stem for 22" C-434/C-534 Hydrant 24 3/4" OAL
P-231-0424 Stem for 24" C-434/C-534 Hydrant 26 3/4" OAL
7 C-434KT-804 Loose Key Conversion Kit to C-534
C-434KT-907
*When assembling the vacuum breaker, ensure the dome is
facing out on the check spider and the step is facing out on the
silicone washer.
4
3
Stem Overall Length (OAL)
Overhaul Kit for C-434
Contains: 2, 3, 4, 5
3 3/4”
2 1/32”
6
**For the old style C-434 Series wall hydrant stems, see C-434 Series retired style spec sheet
at www.PRIER.com.
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