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Mechanical
4-10C
Same as 4-10A except with 1/2” IPS tempered outlet connection
Mixing Valve
4-10 Series
INSTALLATION, OPERATION AND SERVICE INSTRUCTIONS
4-10A
The 4-10A Mechanical Mixing Valve is furnished with all ferrule fittings
attached. To install, remove the three (3) nuts and ferrules from the unit
and install 3/8” copper tubing into compression fitting nipple. Flexible
braided stainless steel hose will also fasten to the 9/16 – 24 thread of the
compression nipple once the nuts and ferrules are removed. Slide the nut
and then the ferrule over the copper tubing in preparation for tightening. Torque the nut onto the compression nipple so as to compress the
ferrule around the tubing. The nut should be tightened so as to prevent
any leaks by the ferrule. HOT water is supplied to the left side of the valve
(when looking at the adjustment handle) and COLD water is supplied to
the right side.
4-10B
The 4-10B is installed similar to the 4-10A valve, except a 3/8” compression tee is supplied to deliver COLD water both to the mixing valve and
to the cold side of a fixture. The ferrule fittings of the compression tee are
secured exactly like those of the mixing valve.
Temperature Selection
The temperature of 4-10 Mechanical Mixing Valve is adjusted by inserting
a 1/4” hex key (not supplied) into the temperature adjustment slot in mixing valve and turning the key either clockwise or counter-clockwise. Turning the handle clockwise decreases the output temperature of the unit
and turning the handle counterclockwise increases output temperature.
System Cleaning
The integral checks installed in the 4-10 mixing valve should be kept
clean to insure proper operation of the unit. Unwanted debris may cause
the checks to remain open and allow a cross connection of hot and cold
water. To clean checks, shut off water supply to the unit. Remove mixing
valve from piping assembly and prepare for check removal. Unthread the
threaded nipple from the body using a 5/16” HEX key. Dislodge the rubber washer from the threaded hole using a small flat blade screwdriver. Insert the screw driver or needle nose pliers into the small hole in the plastic
insert and gently remove. The duckbill check will remove with insert. Clean
checks or replace with MV-107 repair kit as needed. Reverse instructions
to re-install checks into main body.
Compliance:
- ASME A112.18.1/CSA B125.1
- NSF 372 (CA 116875)
- NSF 61.9
4-10A Mechanical Mixing Valve
with 3/8” compression connections
and (2) integral checks (piping not
supplied)
4-10B Mechanical Mixing Valve
with 3/8” compression connections, (2) integral checks and 3/8”
compression tee (piping not
supplied).
4-10C Mechanical Mixing Valve
with (2) 3/8” compression connections and (1) 1/2” IPS connection.
Note 1/4” Hex Key (not supplied)
used to adjust temperature
Symmons Single Lever Faucet
4-10B
3
/8” compression
connections
Typical
(faucet not included)
4-10C
(2) 3/8” compression
connections
3
/8”
compression
tee
Symmons Metering Faucet
Typical
(faucet not included)
1
/2”
IPS connection
Symmons Industries, Inc. ■ 31 Brooks Drive ■ Braintree, MA 02184
(800) 796-6667, (781) 848-2250
Website: www.symmons.com
©2013 Symmons Industries, Inc. Printed in U.S.A.
■ Fax (800) 961-962 1, ( 7 8 1) 843-3849
■ Email: customerse rvice@sy m mo n s .com
■ ZV-353 ■ 111813
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