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Unit type: Potterton Suprima 60 Fuel type: Natural gas Unit age: 7 years I'm having a problem with the firing of my gas boiler, which has developed over the last few months. The unit succeeds in initiating water flow, boiler fan and finally the ignition control. The problem is the unit...

Fault symptum: Pump fails to pump even after replacement Boiler type: Potterton Suprima 60, gas fired Boiler age: 6 1/2 yrs Last week I posted a thread on a suspected faulty pump motor on my home gas central heating system. After replacing the pump last weekend, the system still failed...

Recently my gas fired home heating boiler began to intermittently reset. Yesterday, just after starting the heating, loud hammering of the pipes rang out through the house. :!: On resetting the boiler, a hissing sound began before the hammering recommenced. Listening closely to the wall hung...