We have a Santon Unvented 15L hot water heater in our toilets at work, there is water slowly dripping out of the overflow and can be seen dripping into the tundish, my boss has been told that its the expansion relief valve or the expansion vessel and wants £300.00 to change them over.
Is there any way of testing this and is that price to change those parts a good price, our company uses an outside maintenance firm and personaly i think the price is a bit steep as there must be 1 or the other part that has gone?
Any help on this would be appreciated, cheers in advance
PS the system is a Santon Aqualine its about 10 to 15 years old and not had any trouble with it until now.
Is there any way of testing this and is that price to change those parts a good price, our company uses an outside maintenance firm and personaly i think the price is a bit steep as there must be 1 or the other part that has gone?
Any help on this would be appreciated, cheers in advance
PS the system is a Santon Aqualine its about 10 to 15 years old and not had any trouble with it until now.