be aware of some one who can start straight away ask to see previous work and references . do not part with money up front agree a stage payment plan
any company worth its salt should have the finances to start the project then draw down stages. avoid mobile phone only contacts. make sure you...
look in manufactures instructions for boiler to see if compartmental ventilation is required. usually with condensing boilers its no, but please check to be sure.
the boiler manufactures instructions will tell you if any compartmental ventilation is required. if its a combi its very doubtful any way, if its an open flued appliance then its a different ball game and sujest you seek the help of an RGI>
if the first solenoid sticks then it will never light the carp that transco add is a contributing factor. cleaned the g valve several times and all was well.
these are also pigs for the small bore pipes in the rear blocking up solid.
in reality a total bag of shiite.
But the risk is that areas outside the impact zone (critical location are not at as much risk of breakage as the areas at risk i have been involved in glazing for over 20 years and never known a top light to cause injury. correct me if I am wrong.
This is the boiler with the three solinoids on the gas valve clue to not lighting is there. but as said by agile only limited advise given here get on cc and ill tell you exactley what I think it is had this numorous times on this boiler.
most sealents are ok if they are neutral cure and not assotoxic cure.
low mod neutral cure is the choice as the assertones do not cause it to delaminate from the pvcu frame.