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From: Pascal Gademer (no email)
Date: Thu Jun 02 2005 - 14:04:23 EDT
Jim,
the A/C pump has been the greatest source of heaches on my boat... I first
had a march which wasn't big enough for the 4x16k untis...
I tried Cal1200s but they only lasted a few months... 1200gph is marginal
for 4 x 16k anyway... Cal had suggested usign 2 pumps connected to a single
thru hull via a Y ... didn't work... one pump failed after 2 motnhs, at
which point I ditched the dual system and the second pump failed a couple of
month later.
I let the A/C guys talk me into that same expensive Cruisair pump,
supposedly the best, good garanty, etc... it failed after 5 months (motor
seized), replaced under waranty, so far so good... but only 4 months...
that cruisair pump was about $ 700 (110v version) and it also took 2 weeks
to get one. when it failed, it was not avaialble either, also had to wait a
week or so... I couldn't understant why they cant' stock these damn pump
knowing the demand in South Florida!! luckily i had an an old back up, a
large ITT Marlow...
what i don't like about the cruisair is the vibration. the "pros"
originally installed it with no rubber isolation so i re mounted it, using
bolts sandwitched bewteen pieces of rubber hoses.. it helped but not much.
oh, and yes.. i clear my strainer at least once a month, hoses are new, no
restrictions, no kink, short run, and clean coils... :-) so the pump
failures are not related to the boat...
pascal
miami, fl
1970 hatteras 53my
----- Original Message -----
From: "James Alexander" <>
To: "T&T" <>
Sent: Wednesday, June 01, 2005 12:13 PM
Subject: T&T: Cruisair systems
> As a result of failure of my Cruisair a/c pump yesterday I was forced to
get
> involved in finding a replacement and as a result have come away from the
> situation a little more knowledgeable. Because I am sure many of us have
> similar equipment I thought I would pass along what I learned. This is a
> little long so if you aren't interested delete now.
>
> To begin with, I awoke yesterday morning to a loud screeching sound
eminating
> from the engine room. Investigation quickly revealed that it was the a/c
pump
> making the noise. Just great, living aboard in Key West where the last
few
> days temps have been hitting the 90's with humidities approaching 90%,
which
> as you know makes it feel like 100+, outside. But, without choice I had
to
> shut down the a/c. By 0900 the temps in the boat were already at 90+.
>
> I got on the phone and called a couple of local marine a/c dealers
attempting
> to run down a replacement pump. My unit has a Cruisair P1500BX, 1320 gph,
> 230v pump. to make a long story short, after talking to two separate
dealers,
> who contacted their distributors and ultimately Cruiseair up in Dania, FL
it
> was learned that a replacement pump would cost $730.00 + shipping, BUT
even
> Cruiseair did not have one in stock and they estimated 10 days to 2 weeks
to
> acquire one. Unbelievable?
>
> I had to do something, there is no way we could go 24 hours, let alone 2
weeks
> without a/c here in Key West.
> So, first thing I did was rip out the old pump. Then, after a trip to
home
> depot to get some nipples and couplings, I plumbed my watermaker low
pressure
> pump into the a/c units and by running that pump I am able to have a/c at
this
> point.
>
> Then after a long day of knocking myself out in the engine room getting
the
> old pump out and making the transition to the watermaker pump and spending
a
> couple of fruitless hours on the phone with a/c dealers I got on the
internet
> last night to see what I could come up with.
>
> To start with I located a dealer (Hopkins Carter) up in Miami who had
crossed
> referenced a couple of replacement pumps (not mine) to a mfg called
> Oberdorfer. That sounded familiar? So looking at my old pump I find
> "Oberdorfer" cast into the housing of the main pump body. This is
> interesting, so I did a search under Oberdorfer and came up with a
complete
> on-lind catelog of all Oberdorfer pumps. Searching thru their catelog I
came
> up with an identical pump to my Cruisair pump. It was available in
several
> models, stainless shaft vs monel shaft, and different motors. This
morning I
> phoned Oberdorfer and spoke with their tech people. They of course
> reccommended the monel shaft and told me the difference in the motors was
that
> the more expensive models have a "coast guard approved" motor, which is
only
> required in commercial applications.
>
> Oberdorfer would not sell directly to me, but instead referred me to
Depco,
> which to be honest I had not thought of as a source for an a/c pump.
>
> I called Depco and not only did they have the pump in stock and are
shipping
> to me via overnight, the price on the pump was only $532. vs the $730 from
> Cruisair. Turns out that Cruisair buys these pumps from Oberdorfer, slaps
a
> Cruisair sticker on them and then marks them up a couple of hundred bucks.
>
> Jim Alexander
> Serendipity
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