Alternative heaters

Common upgrades - A-Series mods, brakes,wheels, handling, interior.

Alternative heaters

Postby Nourish » Tue Jan 20, 2015 2:02 pm

Have any of you out there used an alternative heater in their Morris?, I know the Mini ones are used but I was thinking of something more modern.
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Re: Alternative heaters

Postby plastic orange » Tue Jan 20, 2015 2:45 pm

It's all about getting flow through the heater. I admit that the standard minor heater in whatever guise is pretty ineffectual, but the later heater works very well behind a Fiat TC engine compared to the A series leading me to make the flow assumption. It may well be that the A series Minors I've had needed a better cleanout in the radiator and heater than just flushing through. I'd suggest fully cleansing the cooling system then see if heat output is better. The tap on the rear of the head is notorious for restricting flow due to build up of encrustation.

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Re: Alternative heaters

Postby Nourish » Tue Jan 20, 2015 5:11 pm

I've finally bought a '56 split screen that is virtually a shell - a rusty one at that. Once the welding is done(once!) then it needs parts and as I have to buy a heater is there a better one to fit?
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Re: Alternative heaters

Postby cmea » Tue Jan 20, 2015 5:43 pm

I would go for a mini one, and make sure that the thermostat on the engine is the higher temp one (78 deg C if I recall correctly). They work well if the cold air inlet is coming from the front grill like on later moggies, but this would mean creating an inlet hole. The problem you have is on the splitty there is no fresh air intake and the original heater just re-circs air. It depends whether you want it to look original or whether you are going to cut a hole in the bulkhead for a fresh air inlet.
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Re: Alternative heaters

Postby Nourish » Tue Jan 20, 2015 5:49 pm

No this won't be original, the outside will look like a fairly standard lowlight with hopefully a zetec engine and a non standard but period looking interior - well that's what's going on in my head!
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Re: Alternative heaters

Postby plastic orange » Tue Jan 20, 2015 7:24 pm

I fitted a heater from a company called T7 design in my LS Minor. It's very compact, but powerful. They do a variety of heaters, so I'd recommend them, although not the cheapest.

http://www.t7design.co.uk/

A mini one is possibly the cheapest option though.

I've got a very early Mini pickup one in Muj - works well, but not super powerful - enough to make the car cosy though.

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Re: Alternative heaters

Postby bmcecosse » Tue Jan 20, 2015 8:26 pm

With an A series engine -the key to good heater performance is to block off the bypass hose..... and fit an 88 degree thermostat. All the other tips are very valid too - heater tap/kinked pipes/furred up matrix - all need checking out. The later Mini heater has a much better fan - but this is only useful if you can be sure of a good flow of hot water. The Austin/Morris 1100 heater is a fantastic thing.....but try finding one these days...... :(
 









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Re: Alternative heaters

Postby MickEssex » Tue Jan 20, 2015 9:41 pm

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Re: Alternative heaters

Postby bmcecosse » Tue Jan 20, 2015 10:18 pm

Crikey - I used to keep a watch out for these but gave up. That's the very thing indeed!! The heat output is fearsome !! Well found ! I don't use my car in winter - so I don't need it - but if you do - don't hesitate......
 









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Re: Alternative heaters

Postby MartinLowe » Wed Jan 21, 2015 3:26 pm

I fitted a modular heater from T7 designs (Plastic Orange's post above) Secured it to the bulkhead and kept the face of the original round heater so it looks original. connected the power supply to the original switch to give a variable speed. very good design as you can specify how many outlets you want. they also sell heater vent hose that fits the "banana" vents for the windscreen demister slots.
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Re: Alternative heaters

Postby TootallUK » Wed Oct 04, 2017 6:28 pm

MartinLowe wrote:I fitted a modular heater from T7 designs (Plastic Orange's post above) Secured it to the bulkhead and kept the face of the original round heater so it looks original. connected the power supply to the original switch to give a variable speed. very good design as you can specify how many outlets you want. they also sell heater vent hose that fits the "banana" vents for the windscreen demister slots.


I realise this is an old thread but I'm currently compiling ideas for rebuilding my '63 Convertible... a proper heater is high on the 'Must-Fix' list... when she was my daily driver, I froze... a lot!

Do you recall which T7 unit you used?
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