Baxi Bermuda 552 making a noise.

My Baxi Bermuda 552 back boiler is very old, we have lived here 18 years and it was here then, but I have always had it serviced. Approx 20mins after it comes on it makes a noise like mini fire works popping for 10 secs then stops, then it will do it on and off at varying intervals. The noise sounds at ground level behind the fire. The cat will have to go on prozac soon as she always sits by the fire.

If I have to replace it ( don't want to unless have to )would it be cheaper to have another back boiler as pipes are in place already. If not what type of boiler should I be buying.

Many Thanks.

trouble with replacement is that any new boiler that is fitted has to be a high efficiency boiler (condensing boiler) and i dont think you can get a condensing back boiler. you can prob sort the problem by introducing "boiler silencer" into the system. i have used it in a house i was renting with an ideal classic ff and it seemed to work almost instantly.
cheap and effective.

Sounds like a split/leaking heat exchanger. Water dropping onto the flame! Could also be condensation.

chaps said:

you can prob sort the problem by introducing "boiler silencer" into the system. i have used it in a house i was renting with an ideal classic ff and it seemed to work almost instantly.
cheap and effective.

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Why would a tenant ever spend money on a landlords installation?

Tony