Replacing CH pump

[weird_dave]

My CH pump died and someone has kindly given me one to fit. The new pump seems to have a 1.5" bsp fitting, but the old one looks like 1" bsp. I can't really change the fittings as I'd have to modify the boiler a fair bit (it's an old Glowworm compact 80). I can't seem to find the right reducer.

So the question is, is it possible? My brain says yes but google isn't agreeing so far....

 

[ChrisR]

It would be impractical to adapt it.
The options are
Either
get the "correct" pump from Glowworm
just swap the head - but I don't know if it's possible on that one, or
use a "generic" pump with the same fittings - ditto.

Can be a tricky area with manufacturers changing pump half way through product production period. GW might tell you - or not.

Um yes there was more than one boiler called Compact 80.

 

[weird_dave]

Swapping the head seemed like a good plan, annoyingly it doesn't fit
Time for a new boiler, I've been keeping this one going for far too long....

 

[weird_dave]

Just wondering why it would be impractical to adapt it? I can move the pipework on one side of the pump to make room for the slightly longer pumping solution.

 

[matt1e]

Just wondering why it would be impractical to adapt it? I can move the pipework on one side of the pump to make room for the slightly longer pumping solution.

For the price of a new pump it isn't worth trying to adapt it in my opinion
what is wrong with the old pump?

 

[weird_dave]

The old pump got water into the windings and failed, I dried it out but it didn't recover. I'm planning on getting a new boiler soon so I don't want to spend £100 on a new pump, but I'd like some heat in the meantime