PCM 351w Thermostat
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=40877
Printed Date: April-27-2024 at 4:16pm
Topic: PCM 351w Thermostat
Posted By: n7narcosis
Subject: PCM 351w Thermostat
Date Posted: April-17-2017 at 10:30pm
Question on operating temperatures. What is a temperature to start to be concerned? I have always heard 160 is the most efficient target to hit. anything past 200 is real bad news correct?
Mines running 170-190 depending on conditions and how she's treated --- and is running with a F/W/C (Closed System). Looking on skidim their thermostat is a 170 F/W/C item that looks a lot different than the R/W/C 143/160 item.
I was thinking of picking up the 143 and running a bit cooler, but will the 143 thermostat even fit? They look like different parts all together...
As some background - The raw water to heat exchanger and risers Plumbing has all been rebuilt. New pump, impeller, all new hoses (no water or air leaks) --- as the boat is running the risers are ice cold and stay that way even with the boat at the 180-190 range...
Am I experiencing a problem or is the temperature range within a safe margin?
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1989 Correct Craft Martinique CB --- 351W
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Replies:
Posted By: Gary S
Date Posted: April-18-2017 at 1:06am
Think of it much like your car,many modern ones use a 195 stat and run over the boiling point due to the pressure cap. Your system is much the same,your heat exchanger is just a water to water radiator rather than a cars water to air one. Don't worry about it
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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport
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Posted By: n7narcosis
Date Posted: April-18-2017 at 12:57pm
Thanks for your input Gary. I guess I am just being a little OCD with it - since the temp gauge I've got maxes out at 220 (never come close to that though), at what temp/point does one start to become overly concerned?
I'm guessing I have a 170/180 thermostat in there, is it common for the temperature to sit 10-20 over the thermostats opening range?
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1989 Correct Craft Martinique CB --- 351W
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