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Mend Siemens Home Heating Systems

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Mend Siemens Room Glow Boiler

room thermostat?

l have just had fitted to my glow worm30cxiLPGcondensing boiler a siemens RAA20-GB COO;CN AC24...250v IT IS NOT WORKING .dont have the instuctions for wiring.there are three conections wondering if it has been conected correctly?
PLEASE CAN YOU HELP.

ken
April 2009
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Mend Heating, Home Heating Systems
Find out how to mend Siemens home heating systems