look just pay a gsr person to sort it out or go thru an insurance company or ring ideal for a fixed price repair. as gasmk1 says combi boiler no pump no hot water or central heating. other things to check which you wont get an answer to on an open forum
On an earlier post you said you had turned the stat on the front of the boiler from max to the eco setting. Is this still the case. You now say boiler goes to 80 with just heating on and 65 with both on. You sure you’ve not got weather compensation fitted the only thing being the temps should be...
No problem. Make sure preheat is turned off, no point having that on if domestic water drained. Tbh wouldn’t leave a boiler in an unoccupied mobile home during winter without leaving it on some sort of frost protection.
as previously said the only time that motor wont get hot is in the summer months when you have no heating on and it doesnt have to do anything. during the winter months its most likely that motor will be in mid position or full heating position with the motor energised and the spring return...
most heating systems using 3 port valves finish at night with the 3 port held in heating position. if you time the heating to come on first in the morning the 3 port has to spring return to hot water position while pump is running causing, honeywell use a ball, drayton use a paddle, said...
the drayton 3 port is banging due to closing from heating setting and moving to hot water setting while the pump is running. common problem, honeywell do it also, due to close proximity of 3 port and pump. need to change drayton 3 port for a danfoss "shoe type" 3 port valve to eliminate problem...
was just being devils advocate on this one to see replies i got. surprised you were the only one who replied to the original post expected more. a little bit of improvisation goes a long way to keep customers happy