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Postcode CB9 water is hard

Boiler Glowworm Ultimate 40Ff aprox 14 years old Feed tank very clean as I drained system to fit new raiator August 2012 Inhibitor top up August 12 New Pump fitted by Plumber about Oct 2012

Any solution's then?

Felt a little chilly and compared the heat coming from a couple of friends radiators and decided mine were not getting quite as hot so I turned up the Boiler a little and the knocking started. Any idea what the knocking is?

Hello, I decided a few days ago to turn up the Temperature a little on my 14 year old Glowworm 40FF Boiler to put a little more heat in the radiators. I only turn up the Min Max Knob a little bit and as soon as I did I started getting a knocking/cracking of pipes sound straight away. The...

I have no idea where the Junction box is. The Photo shows the Programmer which is under the boiler and the switch below it turns the power on/off to the System. What should the Junction box look like? There is nothing on the wall around the Boiler and nothing in the upstairs airing cupboard...

Thanks for your instructions, very clear. I have a feeling there is not a permanent live. Here are the results Terminal 7 is 240v live when both water and heating is OFF but drops to Zero when HW is switched on. Terminal 9 is Zero when both HW and Heating is OFF but is 240v live when either...

Hi Hailsham, Thanks for reply. The other wires from the cable that you say is the existing stat go as follows, The Blue goes to Terminal 2 and the red terminal 4. Hope that helps

Hi, It is a 3 Port valve - Danfoss HSA3

Thanks for your reply. I'm just trying to make the Job as simple for me as possible, as I already have a programmer that operates the times for the heating and hot water I just wanted to replace the thermostat with a simple one. I have been looking at a Celect Simple Wireless RF Room...

Hello, I'm thinking of replacing my wired Room Thermostat with a wireless one that I can move from room to room. The set up is I have a conventional gas boiler in the Kitchen and a wired room thermostat in the Hall downstairs and a central wiring box upstairs in the Airing cupboard. I have...

One last question, when you say open the lock shields a tiny bit, do you mean a quarter of a turn or even less? Because not all of my lock sheilds are the same, some are about 3 turns to fully open and some are about 5 turns. Thanks in advance

you for the advice, I will try to get hold of thermometers and try again. I will get back to you once I have tried it.

Hi, What do you mean did I close all the rads down when doing the balancing? Should I have all the rads shut and balance one at a time then open the next one up and balance etc? I read that I should open all the rads full open to start balancing, is that wrong?

Not all return pipes very hot, some just warm

I have tried opening them all up the the hottest rads I closed the lock shields down then opened them a quarter of a turn. The inflow do get very hot but not so hot that you can not touch. Question, I have TVR on every rad except the one in the hall where the room stat is. The TVRs are bi...

Hi, I replaced two single radiators with Double last year and never had any problems. Now I have just replaced two more, one bedroom and one living room, both the same size but double. Now I;m having problems getting all the radiators in the house to balance and stay hot. I have read about...

Hi, I'm going to paint my front door with exterior gloss paint. The door is either a metal skin or pvc skin door, it's not a new double glazzed pvc door but Im not sure what the skin is it's hard to tell. It has a couple of small dents and a hole where a number was on the door. What type of...