Heater Craft 900S Series Shower - Manual (Page 6)

Shower Pump Installation
5
Questions?
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If you are not installing a pump to pressurize the shower system, proceed to the Water Source section.
IMPORTANT NOTE: We recommend that the shower pump is not mounted into the bilge, or any location
or in such a manner that it would be easily submerged. The warranty for the pump may be void if, upon
disassembly, Heater Craft determines that the pump has been submerged in water for any length of time.
Mounting the Shower Pump
1. Determine the location for mounting the shower pump.
100-S Series– Consider the location where the quick-release hose fitting will be accessible
(typically along the gunwale or into a storage area). The mixed water hose is one length and will be
cut to install the pump in-line. This hose will be routed from the shower valve. The pump will have
to be mounted so that this may be achieved with the length of hose provided. The spray hose will
couple into the quick-release fitting when using the shower.
300-S, 400-S, 800-S, 900-S Series– Consider the position of the shower unit. The spray hose will
attach to the pump and be routed into the shower unit. The pump should be placed so that it will
allow the spray hose to coil away from moving parts, high heat sources, sharp sharp edges or
objects that may kink, pinch or restrict the travel of the hose in any way.
2. Install the hose barbs into the shower pump, then tighten wing-nut fittings by hand then mount the pump
in place.
Wiring the Shower Pump
The pump wires should be routed with the factory wiring harness whenever possible. The wires should be
routed away from moving parts, high heat sources and
sharp edges or objects.
100-S, 600-S, 600-C Series– The shower
pump and switch should be protected with a
10 amp in-line fuse.
• Red positive lead– Wire to an on/off switch
with a 12V DC power source.
• Black negative lead– Wire to ground source.
300-S, 400-S, 900-S Series with switch–The shower pump and switch should be protected with a
10 amp in-line fuse. The switch terminals in the shower unit correspond to the diagram shown
(looking from the back of the shower unit).
• 3–Red power wire from shower pump.
• 2–Wire to a 12V DC power source.
• 7–Wire to a ground source.
• Black negative lead (from shower pump)–
Wire to a ground source.
Shower box
Switch
Switch detail
7
2
3