03 SANTE Heater

[aikenis]

How warm is the heater supposed to be? Mine doesn't seem to be very warm.

[ryanc]

What temp does your boat run at? I bet it is around 140. When you have a heater it should have the 160 degree thermostat. If the heater was added this happens a lot. Put in the hotter thermostat and you will be cranking some more heat.

[aikenis]

I have no idea. Just check the gauge on the dash? I purchased the boat used a couple of months ago. Where do I purchased the thermostat?

[SquamInboards]

http://skidim.com/prodinfo.asp?number=RP026002

[ryanc]

I have no idea. Just check the gauge on the dash? I purchased the boat used a couple of months ago. Where do I purchased the thermostat?

Yeah when you run the boat next just see what temp it runs at this will tell you which thermostat you have.

[bchesley]

Boats with heaters need the 165 degree thermostat. The instructions on the heatercraft website says so. You can get them in a bunch of places, however, support your local dealer if you have one.

[aikenis]

My boat is running right about 165. What else could be the problem?

[aikenis]

Does anybody know anything about this?

[Fonseca]

impeller

Hi.
Once the engine is hot, try to increse engine rpm to +/- 1800 rpm in neutral and see if water comes hot. If yes you may need to replace your impeller.
My heater have this problem and the engine don't overheat at idle.
If the problem is not the impeller I sugest you to check the pipe that feeds the heater with hot water as well as the return pipe (look for an obstruction).
If you still have no luck try to remove the panel in front of the driver knees and chech if the the hot air pipes are weel connected.

Good luck!

[aikenis]

RE: impeller

I actually just replaced my impeller Friday. The heater was cold on Saturday. I did notice the red hoses you are talking about when I was changing the impeller. So you think there might be a shutoff valve? I know exactly where the heater core is too. I will investigate it soon. Thanks.