Recent content by TEND

Hi Steve I have just sent a picture of the pump QT80 together with the original delivery note that has QT80NH on it, to Techflow Products. I will let you know what I get back. Regards John Dent

Hi Steve Many thanks for your help. I understand what you are say but I understood that the QT80 was a Negative Head pump. I have had rthis system since 2005 and it has never worked properly. I have always had the same problem. Hot for 3 to 4 minutes. I have checked back to my...

The pump is a QT80 supplied by Techflow Products that is I believe part of Stuart Turner Pumps. The Shower Mixer is is from Armitage Shankd a Trevi Thermostatic Shower Mixer No 320. I have already changed the mixer valve in case this was causing a problem. A simplstic view is that the pump...

The tank is indirectly heated from a gas boiler. The input side of the pump remains hot. It is only the shower head side of the pump that goes cold. Although both input sides of pump (hot & cold) are under the same head (the cold water tank). I believe there is a differential pressure...

I have a shower mixer that is above the water level in our cold water tank. This is in a loft conversion. Cold water is fed to to a twin booster pump fitted below the cold water tank. The hot water is fed to the booster pump from a point at the top of the hot water tank through a special...