Grundfos Super Selectric 1. Hi everyone. Plumbing newbie here, wondering why my grundfos 1. I recently turned up the temp on the boiler and about a week after this the pump started making a noise similar to a fridge. It doesn't sound knackered, it just sounds noisier than it should be. Nothing wrong with the radiators, or hot water temp. Everything else tickety- boo.
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- Grundfos UPS2 15/50 - 15/60 Pump 98334549. The UPS2 has been designed to fit into a location where a Grundfos UPS15-50 or UPS15-60 model is currently located.
I've been trawling the web and there have been a variety of responses regarding adjusting the speed and bleeding the pump. So here we go: - How do I bleed the pump?- I'm a little nervous about adjusting the speed since i understand a slow pump speed can cause kettling. If I pluck up the courage to try a different speed should I turn everything off first? Or should I do this whilst the CH is on?- Anyone know any other possible causes of the noise? Are there any other 'settings' I can adjust before trying the heavy jobs, like desludging? Many thanks in advance. It won't take too much adversity for me to get scared and throw money at the problem by calling a pro in, but I'd like to understand more about the house I've moved into so thought I'd have a go myself.
GRUNDFOS Selectric/Super Selectric Description: 75 51 28 102 130 GRUNDFOS Selectric/Super Selectric UPS 15-50 Selectric and UPS 15-60 Super Selectric. GRUNDFOS. Replacing Grundfos 15-60 selectric pump. Grundfos Selectric UPS 15/50 Central Heating Pump Constantly on. grundfos super selectric 15-60 manual. Grundfos UPS 15-60 (130) Super Selectric Domestic. Vent screw - The UPS2 is fitted with a screw which allows manual venting to. Grundfos Alpha2L 15-60.