[Healeys] Heater query

[Michael Salter]

Turning off the small valve on the side of the engine will only ensure that
the heater is most definitely OFF and will have no other detrimental
effects.
The 100 has 2 such valves, one on the head and one on the water pump and I
always run with both turned off. My car is usually in winter storage before
it's cold enough to need the heater.

M

On Mon., Jul. 10, 2023, 10:41 a.m. Simon Lachlan via Healeys, <
healeys at autox.team.net> wrote:

> I have a MkII BT7 with a normal Smith’s heater. Normal insofar as it never
> seems to be turned OFF 100% or ON 100%.
>
> We are in our summer(?!) at the moment and I was wondering about turning
> off the tap in the hose from the block that leads into the cabin for the
> heater.
>
> Would the heater box and/or its valve semi-dry out and fill with a mess of
> rusty crud?
>
> Would the engine run hotter as there was a little less water running
> through the system?
>
> Or would I find myself basking in cool luxury as I tootle off to the local
> boozer?
>
> Or, most likely, none of the above, especially the last one?!
>
> I did take the car on quite a long trip the other day (Le Mans Classic!!)
> and, once the heat had soaked through the insulation, we were quite warm….
>
> The more I think about this, the less I like the idea of turning that tap
> off…..
>
> The tap does work, before you all shout at once!
>
> Simon
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