When filter needs changing

Dec 26, 2017 2 Replies
A

I bought an Envion Therapure TPP240 Permanent HEPA Type Air Purifier.



I sent them an email, but got no answer.



Anyone know how the sensor works that determines when the filter needs cleaning?



Thanks, Andy


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The flow of air trough it is how it works. Most owners manuals will give yo u a time factor for changing the filter. Depending on the time of year, you r location and if you have pets will be a good guide. When you do change th e filter check it out to see how dirty it is and that will tell if you wait ed too long.

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A

you a time factor for changing the filter. Depending on the time of year, y our location and if you have pets will be a good guide. When you do change the filter check it out to see how dirty it is and that will tell if you wa ited too long.

Thanks.

Andy

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