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Rank: Top Rank Aluminum Star
Groups: Administration
, Member
Joined: 12/4/2007
Posts: 600
Points: -1,656
Location: White Lake MI. or on my BOAT
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Tim, Thanks for the info on the water heaters max. temp setting  there must be a reason on the max temp. but just thinking wouldn’t the pressure relief valve take care of that ? Not being a plumber I’m just guessing. With all the DON”Ts coming up with this I think I should the join the “Welcome to the Boater’s World Club” & just pay the extra 4/5 gal price before it ends up costing me a bundle.  Again Thanks for the info. Norm, Big  s Live On
KEEP YOUR BUTTS DRY &YOUR HOOKS WET. (also your whistle)
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Rank: Member
Groups: Member
Joined: 12/25/2007
Posts: 19
Points: -137
Location: West Virginia
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Jeff and Tim
Thanks for the info on the high temp stats. I may have just been lucky running these all summer and a friend (the 87 soft top) has run 160s for about 2 years and runs on plane alot. We put about 300+ hrs a year on our engines and no problems so far. Rather than risk damage to the engines or to my new (last winter) water heater, I will be changing back to 145s this winter. Thanks to all you gear-heads on this site that try to keep the rest of us from expensive mistakes. I will pass this info on to my friend as well.
Max
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Rank: Dedicated Tin Star
Groups: Member
Joined: 9/11/2008
Posts: 99
Points: 109
Location: mebane,nc
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max and norm ,looked for the exchanger limits today and did not see them there should be a caution sticker on your heater.i looked at alot of them and can remember what brand i saw the limit on.the only thing i saw today was that some ,probably all have a 190 deg safety switch that i think would have to be manualy rest if you pass 190 deg.
max , are your engines fresh water cooled ?where did you tie in the water heater and air heater?
72 32' express
"http://www.theboaters.com/boats/Powerboat_Express_Cruiser_marinette_1972_anticipation"
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Rank: Member
Groups: Member
Joined: 12/25/2007
Posts: 19
Points: -137
Location: West Virginia
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Tim,
My engines are raw water cooled. I am not mechanically inclined and had the work done at the shop but, as I recall, the connections are near the thermostat. The water heater is served off the starboard engine and cockpit heater is served off the port engine. Also Norm, I have noticed that the temperature rarely comes to 160 on the starboard engine so maybe an answer to your issue can come from some of this discussion. I will be probably be a the boat tomorrow and will get a better location of the connections for you and maybe take a picture for clarity.
Max
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Rank: Member
Groups: Member
Joined: 12/25/2007
Posts: 19
Points: -137
Location: West Virginia
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Tim
Just got back from the boat and confirmed that the connections for the water heater hoses were adjacent to the thermostat. One forward and one aft and to port of the thermostat housing.
Max
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Rank: Dedicated Tin Star
Groups: Member
Joined: 9/11/2008
Posts: 99
Points: 109
Location: mebane,nc
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thanks max i don't think i have ports there but ill look next time i go. i have to run new gas lines when i get
another day off i'll check then .i think i'll ask the wifey for a water heater for christmas.
tim
72 32' express
"http://www.theboaters.com/boats/Powerboat_Express_Cruiser_marinette_1972_anticipation"
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