Rena Air Tune Up Kit Fits Rena Air 300/400

The Rena Air Tune Up Kit fits the Rena Air 300 and 400. It includes both a valve block and diaphragm plus simple instructions for removing the old valve block and diaphragm. Generally these pump require a tune up when flow or pressure becomes low or an excessive amount of vibration and noise is coming from the pump. Most diaphragms and valve blocks will last a minimum 2 years and many last much longer.