I tried to call them but they were closed. I called Gas Safe and they said the Andrews water heaters are classed as boilers and whether they are commercial or not depends on what regs they refer to in the MI's. So I just wanted to check it out.
I was after info for draining down at a campsite where a 250 litre Andrews was installed, draining was no problem just wanted the info for filling and re- lighting early next year, so rang Andrews and that was there answer, as far as they are concerned their water heaters are for bigger installs, must admit I've not found one in a terraced house yet.
Thanks for looking BOD but I cant see the 41/55 on there. I have got a feeling it is going to be classed as commercial, just wanted to know 100% as I dont like to turn down work.
I had a look there but couldnt see the 41/55 listed. Not being familiar with them I thought they could be the new ones available to buy and perhaps not have all the old models on the site?
When I google it, I can find parts like a gas valve and thermocouple for a 41/55 just no MI's