Chugger Pump head issue

Northern Brewer General
1

I recently replaced the pump head on my parch pump with the Chugger stainless steel pump head. Since doing so I have noticed that on occasion, specifically during a full rolling boil, the impeller will stop spinning. When it does this, it makes a really great screeching sound. I shut the pump off as quick as I can, ensure the head is flooded and turn it back on. Typically, it will work fine, and may or may not happen again.

I understand that a rolling boil can cause the pump to cavitate, and I have the ability to reduced the flow on the outlet side. The only thing is, I can’t ever remember this happening with the march pump head. Anyone have any ideas as to why it would happen with one and not the other?

Thanks

2

Your magnet is decoupling with the impeller magnet. This happens to me when it is getting too much built up crud in the pump. It also helps to put a little back pressure on the pump which can be done by closing the discharge valve partially.

3

Do you think it would cause any permanent damage?

4

[quote=“gprix”]Do you think it would cause any permanent damage?[/quote]Yes from the sounds of it. I try to shut mine off ASAP when it happens.