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Hi there,

Second post in 11 years and boiler related...

Couple of days ago I noticed the display on 7501 had gone off and heating permanently on, so went and got some more bats and was about to install when I noticed there was some corrosion residue. So I popped it of the wall and saw that that one of the negative terminals had completely dissolved. Ok time to look for new unit, we’ve only been in the house two years. As the 7501 is end of life and I think would have been installed when house build 14 years. I’ve looked up and alternative (TLX 1010, as advised on Sunvic site) but wanted to if this would be a slot in or would need alteration as I can’t find any pics to see pin placings etc.

look forward to any advice.
Thanks Tom

p.s, I’ve search wiki and forum for possible answers.
 
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Are you buying a whole new unit, and need help with wiring, or are you asking if it will pair up with existing receiver?
 
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The TLX 1010 is a wireless RF roomstat that requires a thermostat and a receiver it is not a straight swap for a TLX 7501
 
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Thanks for the quick replies..

Are you buying a whole new unit, and need help with wiring, or are you asking if it will pair up with existing receiver?

Hi novice I was looking to pair up new unit with existing receiver, but looking around I don’t seem to be able to find receiver.

The TLX 1010 is a wireless RF roomstat that requires a thermostat and a receiver it is not a straight swap for a TLX 7501

Ian as far as I can see from download manual the 7501 is a wireless unit as well?

Tom.
 
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Hi Tom,

I doubt it’ll link up with existing, but maybe ask Sunvic if it will. If not just buy a new wireless thermostat set.
 
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Ian as far as I can see from download manual the 7501 is a wireless unit as well?
No it is a hard wired electronic battery powered thermostat, that is why you cant find a receiver, you can replace it in the same place with any battery powered hard wired thermostat
 
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