On 09/08/2020 12:48:50, Jim GM4DHJ ... wrote:
The boiler at the van here has started acting up today.....sometimes
when you turn the hot water off the flame stays on and you can hear it
boiling the now static water with all sorts of boiling and gurgling and
rattling noises......must be the flow sensor not turning the boiler
flame off.....The problem is intermittant but a pain to listen to and I
am sure it is not doing the boiler any good....any ideas? .....before I
get a man in

Given you don't seem able to lookup up its flow switch assembly you will
definitely need to get someone in to replace this or diagnose the problem.

https://lmgtfy.com/?q=worcester+24i+parts