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Grundfos Comfort System - Page 7

Grundfos Comfort System
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7
English (US)
Installing the bypass valve
1. Connect the flex hoses to the ports on the
bypass valve marked "HOT OUT" and
"COLD OUT". See fig. 5.
2. Connect the flex hoses to the ports on the
bypass valve marked "HOT IN" and "COLD
IN". See fig. 5.
3. Connect the hose fitting from the "HOT OUT"
port on the bypass valve to the left side of
the faucet. See fig. 5. If connecting to a 3/8"
fitting, use adapters. Adapters are included
with pumps with a production date code of
1841 [PC (year) (week)] or later on the
pump's nameplate.
4. Connect the hose fitting from the "COLD
OUT" port on the bypass valve to the right
side of the faucet. See fig. 5. If connecting to
a 3/8" fitting, use adapters. Adapters are
included with pumps with a production date
code of 1841 [PC (year) (week)] or later on
the pump's nameplate.
5. Connect the hose fitting from the "HOT IN"
port on the bypass valve to the left angle
stop valve. See fig. 5.
6. Connect the hose fitting from the "COLD IN"
port on the bypass valve to the right angle
stop valve. See fig. 5.
7. Open the angle stop valves for both the hot
and cold water. Check for leaks.
8. The bypass valve may be mounted to the
wall with supplied mounting screws if
desired; two-hole mounting bracket flush
with wall. See fig. 6.
Fig. 5 Connect the bypass valve, flex hoses, and fittings as shown
TM05 8976 3013
Flex hose
Flex hose
Hot water
OUT
Cold water
OUT
To hot water faucet
To cold water faucet
Flex hose Flex hose
Hot water IN Cold water INBypass valve

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