AMX300 DIRECTCONNECT™ MIXING VALVE KITS
62-3113—01
4
INSTALLATION
1.
Plastic thread protectors are installed in both ends of
the flexible metal connector. Remove these protectors
with pliers using a pulling and twisting motion, as shown
CAUTION
Do not damage the flared connectors or threads of
the flexible metal connector when removing thread
protectors.
Fig. 4. Remove plastic thread protectors.
2.
Install the cold water tee onto the water heater's cold
water inlet. If installing on a water heater with 1-in. inlet
fitting, use 1-in. FNPT to 3/4-in. MNPT brass reducer
bushing and brass nipples. Tighten until leak tight and
facing the front of the water heater as shown in Fig. 5.
Fig. 5. Install cold water tee.
3.
Install the AMX300 mixing valve onto the water heater's
hot water outlet. If installing on a water heater with 1-in.
outlet fitting, use 1-in. FNPT to 3/4-in. MNPT brass
reducer bushing and brass nipples. Tighten until leak
tight and facing the front of the water heater as shown in
Fig. 6. Install mixing valve.
4.
Install the flexible metal connector to the AMX300 mix-
ing valve and cold water tee as shown in Fig. 7. Tighten
flare connectors until leak tight. At this time the mixing
valve kit should be leak tight.
Fig. 7. Install flexible connector.
Continue installation of potable water system as indicated in
the installation and operation instruction manual supplied with
the water heater. Once potable water system has been
completely installed, and all connections are lead tight, attach
the thermostrip to the mixed water outlet pipe no more than 10
in. from the outlet of the AMX300 mixing valve.
TEMPERATURE ADJUSTMENT
Prior to adjusting the hand wheel setting on the mixing valve,
the water heater must be operational and deliver hot water
within the water heater outlet temperature range, typically
100°F–180°F (38°C–82°C). To achieve the desired mixed
water supply temperature, the temperature setting on the
water heater may need to be adjusted. Prior to measuring the
mixed water supply temperature, using the supplied
M29788
FLEXIBLE
METAL
CONNECTOR
FLARE
CONNECTORS
WITH THREAD
PROTECTORS
FRONT
HOT
COLD
EXTERNAL FITTING
INLET (COLD)
M29697
DIRECTLY TOWARD FRONT
OF THE WATER HEATER
BACK
FRONT
HOT
COLD
EXTERNAL FITTING
OUTLET (HOT)
M29699
DIRECTLY TOWARD FRONT
OF THE WATER HEATER
BACK
HOT
COLD
M29698A
FLEXIBLE
CONNECTOR