R Roger Welton Plumbers Arms member Plumber Gas Engineer Messages 3,131 Jan 24, 2013 #1 Went to service this boiler today, Just firing it up to test, to find it wouldn't fire for more than a couple of minutes, then was cycling every 30 seconds or so. Customer keeps heating and hot water on 24-7 so wasn't aware of a problem as system did eventually get up to temp. See a problem
Went to service this boiler today, Just firing it up to test, to find it wouldn't fire for more than a couple of minutes, then was cycling every 30 seconds or so. Customer keeps heating and hot water on 24-7 so wasn't aware of a problem as system did eventually get up to temp. See a problem
R Roger Welton Plumbers Arms member Plumber Gas Engineer Messages 3,131 Jan 24, 2013 #3 To be fair he did the return in 28 though :19: Upvote 0 Downvote
B Bunker Jan 24, 2013 #4 Crikey, on a big boiler like that! Isnt the 28 on the flow not the return?I and is that 2 pumps in the return? That would help I guess. Last edited by a moderator: Jan 24, 2013 Upvote 0 Downvote
Crikey, on a big boiler like that! Isnt the 28 on the flow not the return?I and is that 2 pumps in the return? That would help I guess.
R Roger Welton Plumbers Arms member Plumber Gas Engineer Messages 3,131 Jan 24, 2013 #5 Nope 22mm flow into 15-60 pump, 28mm on return. Really don't understand why whoever did it didn't think it seemed odd. Upvote 0 Downvote
Nope 22mm flow into 15-60 pump, 28mm on return. Really don't understand why whoever did it didn't think it seemed odd.
B Bunker Jan 24, 2013 #6 Ah, I dont fit many Grants but thought the FLow was the upper one. Lower pipe looks like it splits and goes into 2 pumps.. - just my eyes Upvote 0 Downvote
Ah, I dont fit many Grants but thought the FLow was the upper one. Lower pipe looks like it splits and goes into 2 pumps.. - just my eyes