Recent content by Keith Hawkins

Thanks for your comments John. I'm not a plumber either, but I believe that I read somewhere that the pump should be positioned to pump away from the feed and vent. I am wondering whether a separate vent pipe might fix it. I also wonder what static pressure is necessary for the pump.

Hi JohnD, Picture attached. The pump is 2 years old and has been installed with the text on it upside down. I assume that the flow is downwards into the white Drayton Mid-Position motorised Valve below. The combined F/V pipe is shown top right in the picture.

Hi all, I keep getting airlocks in my CH pump on very cold mornings and consequently poor circulation when I need it most. Bleeding the pump fixes the problem but obviously, I'd like to stop it happening. The pump (grundfos UPS2) is high in the system below a 22mm combined vent & feed pipe. The...