BM A-Class SP - 2 questions

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BM A-Class SP - 2 questions Empty BM A-Class SP - 2 questions

Post  StuS on Thu Feb 20, 2020 6:39 am

Hi all,

Stumbled across this forum while searching for information on the BM SP, hopefully someone will be able to help.

I've bought a house that was previously part-ex'd and as a consequence we have none of the paperwork for the appliances / heating system etc. The setup we have is a Gledhill GB20 Boiler - BM A-Class SP - Thermostat on Ground Floor which manages Ground and First Floor heating and a Thermostat on second floor to handle second floor heating.

From reading the info on the stickers on the BM am I right in thinking that I should program the BM to turn on Channel 1 (Hot Water) during the day to use the solar contribution for hot water and not program anything on channel 2 (heating) and let the thermostat programs handle this?

The second question I have is in regards to smart heating systems, can I install with this setup? I'm thinking that, as long as they are compatible with the boiler / zone setup I should be able to have smart heating and just leave the BM to handle hot water (if I've setup correctly per my musing above).

Any input / advice and guidance gratefully received


Posts : 1
Join date : 2020-02-20

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BM A-Class SP - 2 questions Empty Manuals

Post  mmartin on Fri Feb 21, 2020 3:34 pm

Hi you can check this link for the manual for your unit:


Oh re smart thermostats yes you should be able to use any compatible system so something with 2 zones. The Salus IT500 can have a second sensor fitted to control zone 2 on the rt500.


Posts : 97
Join date : 2017-02-12
Location : Nottinghamshire

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