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  1. S

    RF interference from variable speed pump

    It is definitely the bolt. As soon as the control panel case breaks contact with the motor housing it starts and as soon as it touches the static stops. I played with the wired connection and no change until the cases touch.
  2. S

    RF interference from variable speed pump

    Where I work we have aluminum bodied apparatus and the stainless bolts they use to secure taillights and grab bars sometime will corrode, snap off and have to be drilled out. The bolt that is on there is the original bolt. I thought about using never seize but didn't want to prevent electrical...
  3. S

    RF interference from variable speed pump

    The only thing that worries me is the stainless bolt in the aluminum frame in time it will corrode and cause problems. Thanks for your help locating problem.
  4. S

    RF interference from variable speed pump

    Ok here's what I found, I took portable radio out and bumped the control box and the static stopped. Just a little history on the motor, I purchased this pump as open box very cheaply because it had been dropped and broke 2 of the standoff's on the motor that the control panel mounts to, I'm...
  5. S

    RF interference from variable speed pump

    I checked with a portable radio and it is there.
  6. S

    RF interference from variable speed pump

    I checked this morning and it is only on the AM band. The pump is a Sta-rite intellipro which is the same as Pentair intelliflo except for the pump housing.
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    RF interference from variable speed pump

    Don''t know if it is broad spectrum yet, I will look into it more tomorrow. The pump is at least 50ft away, down a level and through several walls from the receiver in my garage. I didn't notice it a couple days ago when I was working in the garage but sure noticed it today, I'm worried it may...
  8. S

    RF interference from variable speed pump

    I have interference on the (don't laugh) AM band on my radio when running my Variable Speed Pump and wondered if anyone else has had this problem and fixed it. The radio is over 50 feet from the pump and the pump is grounded internally and externally.