Try an in-line self-priming pump and run the pick up into your bilge sump. (similar to the whale gusher but electric). I had one on my previous boat and it gave me no trouble at all. Best practice is to connect to limit the amount of distance between the pick-up and thru-hull discharge. Mine went to the galley sink drain (with a siphon loop) so the total distance was under 4 feet. That also limits the head (lift).
Advantages are you can size the pump for the max that will handle the size of your thru-hull, you can mount it in a convenient place and it isn’t submerged. Put the float switch right next to your pickup. Also, if the pick-up is well placed you can just about suck the bilge dry with the switch in ON. That was the only pump I didn’t replace in the 6 years I owned my previous boat. They cost a little more but well worth it. Burt (Skip) Stratton 1974 C&C 33-3/4 tonner Narragansett Bay, RI From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of David Blair via CnC-List Sent: Monday, March 23, 2015 1:05 PM To: 'Dennis C.'; cnc-list@cnc-list.com Subject: Re: Stus-List 37+ Bilge pump Thanks for the info. From the look of the picture I don’t know whether the setup will fit in my narrow bilge (< 3” wide), but there may be a way. Cheers From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Dennis C. via CnC-List Sent: Monday, March 23, 2015 5:13 AM To: CnClist Subject: Re: Stus-List 37+ Bilge pump Thoughts on bilge pumps. First, I'm rewiring a boat that has one of those auto switch pumps. Every 5 minutes or so it whirs and stops. Drives me nuts. Can't imagine sleeping on a boat with one of those installed. How I wire a bilge pump. First, install a Rule 43 3 way bilge switch in a convenient and protected location. Power it from one of the battery connections on the back side of your main battery switch. I usually connect it to the house bank. If you can find it, Ancor make some nice 14/3 AWG bilge pump cable. Run that or two positives and a single negative to the bilge. Use a round Rule pump of your choice and strap an Ultra Safety Systems Mini Bilge Pump switch to it. http://www.amazon.com/Ultra-Safety-Systems-Switch-UPS-06-12/dp/B00CGJS4PQ You will have a very nice and very reliable bilge pump system. Dennis C. Touche' 35-1 #83 Mandeville, LA
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