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Recently replaced my 25year old Potterton Prima F boiler with a heat only Baxi 619 Heat. From day 1 had air in upstairs radiators. The boiler was a straight replacement. It is an open vented system servicing 15 radiators on 2 floors. Configuration is Boiler Vent Feed Pump. Is it fair to say the...

Recently had my boiler replaced and had air in one radiator since replacement. The heating has been off for the summer so decided a few days ago to run the system to make sure TVR's were all good . The boiler was OFF during this test and to my surprise had air in 6 radiators after testing the...

My son has recently had a new bathroom fitted. Earlier today he had water running down walls in living room. After removing bath panel it was very evident there was some major leaks from the bath trap. Attached is a picture of the trap. Am I right in saying that this trap has been incorrectly...

My sons boiler is experiencing pressure problems. I have researched extensively on this forum which has been most helpful. I now need to change PRV. Before I change the PRV can it be cleaned/serviced and if so how. I also want to inspect flexi exp tube. How do I get at this and remove. Finally...

I have replaced a radiator in my hall with a larger unit for greater heat output. It has turned out really well. All the radiators get piping hot but I am having trouble rebalancing the system. I have managed to balance systems before using simple technique ie turning heat on full all TRV's...

Have been getting a lot grief from the wife regarding heat output from the hall radiator. As can be seen from the first 2 slides the single radiator is tiny for the hall stairs and la landing so I propose to replace the 500 * 450 with a 500 * 600 double. This should give an extra 150% of...

My boiler is experiencing start up problems. After the fan starts and electrode sparks the pilot light does not ignite for anything up to 25 sparks. Once the pilot does light the main burner kicks in and the boiler runs fine ie once running the pilot kicks in after 1 spark after call for...

My water heater is 13 years old and lately I have been losing the pilot light. Checked through the number of similar problems on this site but I think this problem could be something other than the thermocouple or the pilot burner. The pilot flame when lit is a good 20 mm long and blue so...

What would be the outcome of a loss of pressure in a pressure vessel on an unvented cylinder. When taking a shower if a hot water tap is opened the hot water flow in the shower turns to a trickle. Cold water mains is 1.5 bar

I have a STATE gas fired water storage heater - SR8 50 NADS. It has worked fine for 11 years. However 12 months ago when the hot water was used in an upstairs basin the tap would splutter for a little while. This now happens in several other taps. I have read several notes on similar heaters on...

I have lived in present house for 11 years. The house is heated with a seperate gas fired central heating system to the hot water. A gas fired balanced flue storage water heater provides the hot water. This works really well with hot water always available no matter how many showers etc are in...

I have a seperate gas fired DHW heater from my central heating. It supplies 3 showers, 2 baths, 7 sinks and a washing machine. The temperature is set at low end of the heat scale. A pressure vessel is also included un the system. For a little while now I have been experiencing a spluttering...

Last spring cleaned out my central heating system. After several flushes introduced Sentinel X100. A couple of weeks later I noticed a slimy substance which according to Sentinel was a Bacterial growth which can happen when adding X100 into a central heating system. They suggested to bail out...

I replaced a Myson CP 63 for a Circulating Pump CP63. Are they like for like? - Circulating Pumps were not able to help me. The reason for the question is looking even further into the continuing saga of air in my system. After asking many questions on this forum I have changed the...

I have a Potterton Prima 60F Central Heating system - simple heating system with 16 rads each with TVR so no room stat. Had problems with air in the system for a number of years. As the system worked OK I just bled a number of radiators weekly to remedy problem. 12 months ago I had to replace...

Can anyone explain why this acer is looking so poorly. It was repotted a couple of weeks ago into a larger container as it was becoming root bound. It is loosing leaves on a daily basis. It has been watered - not over watered - on a regular basis. I have 2 other plants that have been cared for...

I have for sometime now been experiencing air problems as per this previous post I have a Potterton Prima 60F Central Heating system - simple heating system with 16 rads each with TVR so no room stat. Had problems with air in the system for a number of years. Changed the pump approx 6 months...

I have for sometime now been experiencing air problems as per this previous post I have a Potterton Prima 60F Central Heating system - simple heating system with 16 rads each with TVR so no room stat. Had problems with air in the system for a number of years. Changed the pump approx 6 months...

MY vented CH system comprises a Potterton Prima 50 boiler, CP53 pump and all rad's fitted with a TRV except for a bathroom radiator which is fitted with 2 lockshield valves ( I believe this to be a by pass arrangement ). All the TRV'S are on the left hand side of all the rad's except for one...

I have for sometime now been experiencing air problems as per this previous post I have a Potterton Prima 60F Central Heating system - simple heating system with 16 rads each with TVR so no room stat. Had problems with air in the system for a number of years. Changed the pump approx 6 months...