Surfingboat

Thank you Ex Bummie, I did not know what the dials did exactly, so that thanks for explaining.

I am not sure. I know if i turn the dial to the high flame symbol, this would cause the pump to cut in and out until the accumalator was fitted. I am guessing it just heats the water to a higher temperature.

The Accumulator did solve the problem. Thanks for all the help

Thank you for all your replies. I am going to purchase an accumalator, i will report back in a week once it has arrived

Right on, i will look for a smaller one, and thanks for the link, very helpful Thanks for the reply, i am glad it can be positioned horizontally as I don't have a lot of room to fit it

Thank you Boilerman, for the detailed reply. I am going to try what you suggested in your post today and will report back with the results later this afternoon. This is the current portable water accumalator I have saved on my ebay watch list https://www.ebay.co.uk/itm/Accumulator-Expansion-tank-suitable-for-POTABLE-DRINKING-WATER-8-litre-ACC8Z/111199557398 But, can this be positioned horizontally? Do you know? I have seen this adaptable pipe work which makes it look like it is T'eed off the water outlet after the pump. https://www.ebay.co.uk/itm/ACCUMULATOR-TANK-WATER-SYSTEMS-SPEED-FIT-CONVERSION-KIT-BRASS-WITH-15mm-TEE/292813108705

Thank you Blackrose, I will purchase an accumulator tank then

Hi, I have a Morco 61B boiler that is fed with water via a Shurflow 30 PSI (2 bar) diaphragm pump. The boiler requires a minimum of 1 Bar before the gas valve opens and it will start to heat any water fed to it and I have a 2 bar pump feeding it. When the boiler ignites and starts to heat the water, the pump starts to cycle (turn on/turn off rapidly), this causes the water to go cold then hot as the pressure to the boiler drops in and out and the boiler keeps igniting/shutting down. I cannot get a steady flow of hot water. If I open the cold tap, the pump stops cycling and the pressure and flow of water is good, except the water is now cold/luke warm. If I turn down the the temperature dial on the boiler, i can get a constant supply of warm water to the sink, but not the shower, and at a very slow flow rate. If I try to increase the temperature dial on the boiler, the pumps starts to cycle again and the boiler cuts out and reignites with each cycle. The problem seems to relate to increasing the temperature on the boiler, i can get cold and luke warm water with ease :) I have checked the flow rate and it is 6 litres per minute as specified on the Morco website. Does anyone have any pointers? I have been looking at fitting a FIAMMA A20 Expansion Tank - Accumulator Tank. Thank you (off to bed now but will see any replies on Sunday)