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Old 25 November 2009, 07:29   #1
Country: India
Town: Mumbai
Boat name: Pathfinder
Make: Zodiac
Length: 7m +
Engine: 2 X Yamaha F115s
Join Date: Feb 2009
Posts: 56
Bilge Pump Wiring & Hose

I'm currenty replacing an attwood automatic pump (with integrated float switch) with a Rule Non-Automatic with separate float switch.

The attwood has 3 wires running from it (brown, brown with white stripe and black).

The Rule has 2 wires and the float switch has two wires. How do I connect the new setup?

Also, The Attwood has a 3/4" Hose outlet while the Rule 1100 has a 1 1/8" outlet.

The discharge outlet is kind of hard to reach and I was considering using a short piece of 1 1/8" Hose which would then clamp onto the existing 3/4" hose. What are the drawbacks of such an arrangement?


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Old 25 November 2009, 07:43   #2
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Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
Posts: 2,061
The three cables are for the automatic and the manual overide switch with a common earth.

I have connect the automatic wires directly to the battery via an online fuse and the manual overide through my isolator switch and toggle switch.

That way the auto functions with isolator switched off . Every thing fused with online fuses or connected to fuse panel.

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