Burstner T615 heater issue.

[Davb]

A couple of nights ago I fired up the heater in my T615. However, although plenty of heat was coming from the vents at the rear, the vents at the front didn't seem to do anything. Today I had a look under the bed all the ducting appears to be connected and the majority of the hot air seems to come from the ducts that are routed inside the vehicle. Of the three ducts at the front of the vehicle that are fed from pipes that run under the vehicle, there seems to be only a small amount of heat that comes out of the vent that's directly behind the driver, with nothing coming out of the vents that is in the mid-floor and passenger pillar even after all the vent flaps at the back of the vehicle are closed. Is there any other T615 owners out there who can confirm if this is normal before I start pulling ducts apart?

 

[GJH]

We have had a t625 Harmony, which I think is a similar layout to the t615, for 9 and a half years.
I always thought that the heat tends to come from the rear vents first because they are so much closer to the heater.
I think it may also depend on how long the fan runs for as I think it is mainly that which pushes the warm air through the longer pipes.

 

[namwaldog]

Our t725 also behaves in the way you describe. I've put it down to the external ducting taking longer to heat up than the internal.
We often close the outlet nearest the heater + the bathroom when starting the heating until things get warmed through then open them all.

 

[GJH]

Our t725 also behaves in the way you describe. I've put it down to the external ducting taking longer to heat up than the internal.
We often close the outlet nearest the heater + the bathroom when starting the heating until things get warmed through then open them all.

Good point. We have done that in the past - it's so long since we were out at a time that we needed heating that I'd forgotten

 

[denisejoe]

Always have bathroom one shut unless having a shower

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[Davb]

Thanks for your replies, I did think that perhaps that it could be a case of the heat-dissipating before it reached the furthest vents, and as they are a bit awkward to get at I didn't want to start pulling the heating apart if it was not necessary.