Sensor, Freeze, Pentair Compool CP30/CP100, Aux Pump

Sensor, Freeze, Pentair Compool CP30/CP100, Aux Pump

Marsoni

M251S

$172.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Sensor, Freeze, Pentair Compool CP30/CP100, Aux PumpProtect your Pentair Compool CP30 CP100 system with this FPSAUX freeze sensor for auxiliary pumps. This sensor prevents damage by automatically activating your Auxiliary pump during freezing temperatures.

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Does not fit BMW F22 2 Series. The housing for the cabin air filter is curved and the OEM cabin filter is flexible like an accordion. This filter has the correct dimensions but it does not flex so it will not fit the housing properly. You MIGHT be able to jam it in but not without damaging the filter and at that point it would be practically useless. Buy one that is OEM spec and confirm it can flex for proper fit.

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Reviewed in the United States on April 18, 2026