Kohler 6EFKD User Manual

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7. Install the flow switch.
7.1 For Units Without a Siphon Break:
Note: Proceed to Section 7.2 for units with a
siphon break.
7.1.1 Remove the molded hose located
between the heat exchanger end cap and
catalyst. See Figure 13. Save the molded
hose for re-use.
1
GM58158-L
1. Remove this hose.
Figure 13 Hose Location (Units Without Siphon
Break)
7.1.2 Install a new hose (X-312-42), flow switch
(GM90436), and hose fittings (GM90472
qty. 2) as shown in Figure 15.
Note: Use Teflon tape on the threads of
the flow switch fittings. Wrap the
tape around at least 3 times.
Note: Avoid any kinks in hoses that
connect to the flow switch.
7.1.3 Reuse the molded hose (removed in
Step 7.1.1) but spin the hose 180_ from its
original position. See Figure 15, item 1.
7.1.4 Secure the hoses using hose clamps
(X-426-12 qty. 2) and existing hose
clamps.
7.1.5 Connect the flow switch connector to the
new wiring harness connector that was
routed to the nonservice side in Step 5.2.
7.2 For Units With a Siphon Break:
7.2.1 Remove the hose located between the
heat exchanger end cap and the hose
connector. See Figure 14.
7.2.2 Cut this hose into a 4-inch piece and a
5-inch piece.
1
GM60007-A
1. Remove this hose.
Figure 14 Hose Location (Units With Siphon Break)
7.2.3 Reuse the hose (cut to 4 inches in
Step 7.2.2) as shown in Figure 15, item 4.
Install the flow switch (GM90436), and
hose fittings (GM90472 qty. 2) as shown in
Figure 15.
Note: Units equipped with a siphon break
will not use the new hose X-312-42
supplied in the kit.
Note: Use Teflon tape on the threads of
the flow switch fittings. Wrap the
tape around at least 3 times.
Note: Avoid any kinks in hoses that
connect to the flow switch.
7.2.4 Reuse the hose cut to 5 inches in
Step 7.2.2) as shown in Figure 15, item 2.
7.2.5 Secure the hoses using hose clamps
(X-426-12 qty. 2) and existing hose
clamps.
7.2.6 Connect the flow switch connector to the
new wiring harness connector that was
routed to the nonservice side in Step 5.2.

Kohler 6EFKD Specifications

General

Brand	Kohler
Model	6EFKD
Category	Plumbing Product
Language	English