I sent the following question to Rule: At one time, your web site had this FAQ, is it still valid? If so, can you place it back onto your web site?
Got this in reply: Yes, still valid Neil Abrams Market Specialist John On 04/05/2010 05:11 PM, Judith Blumhorst, DC wrote: > > > My previous post wasn't clear... sorry. My kid is home today and > distracting me... > > I do have a check valve installed on the small pump RuleMate 500 in the > small keel stubby. The vavle keeps water from flowing back into the > stubby. That pump is intended to handle only a very small volumes of > water. I don't care if small diameter hoses and a check vavle reduce > its capacity. > > There is no check valve on the main bilge pump, which has 1.5 inch hoses > on it. It's a manual pump. > > There is also a bilge alarm with an activator switch in the engine > compartment. If the water gets up that high, the alarm goes off and > annoys the crap out of everybody nearby. > > That's my story and I'm stickin' to it.... unless I remember something > else later.... > > Judy B > I wish I were out at my boat today instead of fixing the irrigation > system at home.... > > ------------------------------------------------------------------------ > *From:* "Judith Blumhorst, DC" <[email protected]> > *To:* [email protected] > *Sent:* Mon, April 5, 2010 2:48:49 PM > *Subject:* Re: [IC27A] bilge pump check valve > > > > John makes an important point. Check valves in hoses from bilge pumps > are not a good idea.... > > ....but I've got one in the C27 keel stubby. I've got an itty-bitty > RuleMate *automatic* pump in there to keep the keel sump dry. It HAS to > be small to fit in there. The Rule Mates turn on for a half second > every 2.5 minutes. If they pump "senses" water, they pump. If it don't > sense water, it shuts down. Saves battery power. > > The RuleMate 500 only pumps 360 gallons per hour with a 3-4 foot lift. > That's 6 gallons a minute. It is not inteneded to be a heavy lifter. > It's for use at the dock. > > If the little pump in the keel sump water gets overwhelmed, a VERY LOUD > and VERY ANNOYING alarm goes off, activated by a float switch located on > the floor of the engine compartment, I hope someone (neighbor or marina > staff) hears it and saves my boat from sinking at the dock. > > The BIG bilge pump in my boat opens into the engine compartment. It > doesn't have a check valve in it. It is a manual, not electric, Whale > manual pump. It's a through bulk heak model, the "Gusher". It pumps an > honest 14 gallons per MINUTE with 1.5 inch diameter hoses, assuming a 1 > meter lift. It's virtually un-cloggable. It doesn't care if the > electrical supply craps out. I'm counting on THAT to save MY butt if I > get a real leak somewhere in the boat. > > You can see pics of the installation at > http://www.blumhors t.com/catalina27 /cockpit- remodelling. htm > <http://www.blumhorst.com/catalina27/cockpit-remodelling.htm> > > Remember that an electric bilge pump is only as good as the power > source.... if the battery runs down, or something shorts out, it's not > gonna work. > > Fair winds, > Judy B > ------------------------------------------------------------------------ > *From:* John Oppenheimer <[email protected]> > *To:* ic...@yahoogroups. com > *Sent:* Mon, April 5, 2010 9:42:30 AM > *Subject:* [IC27A] bilge pump check valve > > You may want to check with Rule and find if things have changed. > > John > > -------- Original Message -------- > Subject: Re: catalina27-talk: storage and gas mileage & bilge pump check > valve > Date: Fri, 29 Jun 2007 08:33:10 -0500 > From: John Oppenheimer <[email protected] <mailto:[email protected]>> > To: catalina27-talk@ memberclicks. com > <mailto:[email protected]> > > Very bad things can happen with a bilge pump check valve. There have > been some sad stories in both the Catalina Mainsheet magazine and > various threads on the various C27 e-mail groups. > > So, if you are using something similar to a rule 2000, like I have: > > Rule had the following FAQ before their web site was changed. > > Q: Can I install a check valve on the discharge of my bilge pump to keep > water from running back through the pump? > > A: No. A check valve should NOT be installed in the discharge line. As > submersible pumps create very little discharge pressure, they may not be > able to overcome the resistance or weight of the column of water or > weight of the check valve flapper or poppet itself. The pump may > therefore have an airlocked condition. > > > ------------ --------- --------- ------ > > Yahoo! Groups Links > > > (Yahoo! ID required) > > <mailto:[email protected]> > > > > >
