Recent content by Mackayzer

Left pump running over night for hot water and woke up to hot water... Woopee ! However the heating was set on the timer and was supposed to come on at 0600 but the radiators were still cold at 0700. Checked system pressure and found it to have dropped down from normal operating pressure...

Have spent the last hour bleeding off at the discharge of the pump. Can't say there was lots of air but it was hard to tell. Will leave the pump running overnight and check the water temperature in the morning. Hopefully won't be kept awake all night by 'gurggling' pipes ! :wink:

Hi Matt The old pump was making a heck of a noise.. so much it could'nt be run. When I removed the pump from the pump housing I tried turning the motor and impeller but they were seized.

Thanks... I'll try bleeding off again at the bleed on the discharge of the pump and the inlet of the hot water tank.

My Wilo Gold pump gave up after a commendable 15 years service and I've installed a Grundfos Alpha 2L 15/50 yesterday afternoon. The pump services a pressurised heating system within a four bedroomed two story house ( 12 radiators). I've bled the system through and checked that both the...