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From: Ron Rogers (no email)
Date: Fri Aug 12 2005 - 23:54:56 EDT
Hamilton Marine sells a kit for around $50. Goes around exhaust and you run wire to helm for alarm (provided.) As usual, Norm has a neater solution.
Ron Rogers
Ron Rogers
----- Original Message -----
From:
To:
Cc:
Sent: Friday, August 12, 2005 9:43 PM
Subject: lv-ab: Re: exhaust temp alarm
In a message dated 8/10/2005 12:55:48 PM Eastern Daylight Time, writes:
Norm:
Some time ago you mentioned building an exhaust temp alarm. I would like to do this too, but, all I could find for a sensor was an adjustable aquastat @$55. What did you use?
Lee Haefele
M/S Alesto
I use a normally open 120 deg F snap action thermoswitch (Klixon style) bought at a HVAC store. It looks as it it was mounted in or on a duct, has a oval bezel with two screw holes.
On the package, a plastic bag, is written:
White-Rodgers 3F01-121 fixed setting snap disc fan control close 120 deg f open 110 deg f.
I use a spring around the rubber exhaust hose with the ends hooked into the screw holes in the switch bezel.
The switch on the genset is in parallel with the oil low pressure and block high temp switches to shut down the unit.
On the main engine it sets off an alarm beeper.
Norm
S/V Bandersnatch
Lying Gloucester MA
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