Rena Air Pump 300/400 Tune-Up Kit

easy to install. just a few screwws and the pump was like new again.I forgot how good it was in the begiining

Had a Rena air pump that was showing its age. Installed the tune up kit and it's working like a new pump. Not much else to say about it.

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Inexpensive fix restored air output to new pump level at one tenth the price of a new pump. It took some adjusting to get sound level down.

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My pump is around three years old and noticed less air performance. I removed the bottom casing and noticed the diaphragm was damaged. I was going to buy a cheaper model and brand but feared I would be disappointed. The fix is simple following the included installation instructions and is a 5 min fix. One thing I would mention, after I replaced the works and ran for the first time it was much louder than before (my mistake). When replacing the metal arm that holds the diaphragm/magnet make sure it is seated well in the air pump housing. Make sure to push the arm's plastic outer grooved mount as far down into the housing as possible. That took care of all the vibration noise issue after adjusting the air regulator and works fantastic.

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These are EXCELLENT replacements parts for a Rena Air Pump... These parts were easy to replace and fit perfectly... Highly recommend these parts...

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