Grundfos Comfort 595916 Installation And Operating Instructions Manual page 5

Hot water
discharge
piping
Disconnect
Fig. 2 Water heater hot water pipe
disconnect
Fig. 3 Installation of pump onto water
heater discharge
4.3.2 Thermal bypass valve installation
(step two)
Warning
Do not use Teflon
Caution
joint compound/pipe dope on the
valve threads.
Warning
Hand tighten flex hose
connections, plus 1/4 turn with
wrench.
Overtightening of flex hose
connections can result in valve
Caution
damage, causing valve to leak and/
or localized water damage.
Only use the flex hoses provided in
this kit. Use of other manufactured
flex hoses could result in valve
damage and/or void warranty.
®
tape or pipe
When making piping connections,
be sure to follow piping
Note
manufacturer's recommendations
and all code requirements for
piping material.
By plumbing convention, the hot
water is on the left side and the
Note
cold water on the right side, when
looking at the sink. Your piping
may be different.
Valve location
For the greatest effect, the valve should be
located at a faucet with the greatest piping
distance from the hot water heater. If your home
has a branched hot water line, more than one
valve may be necessary.
Disconnecting the risers
1. Close both the hot and cold water angle stop
valves below the sink; see fig. 4.
2. Disconnect the risers; see fig. 5.
Hot water
angle stop
valve
Fig. 4 Close hot and cold water angle stop
valves under the sink before
installing the bypass valve
Risers
Fig. 5 Disconnect the risers before
installing the bypass valve
Cold water
angle stop
valve
5