Polaris Vac-Sweep 360 In-Line Back-up Valve (9-100-1200)
The in-line backup valve is a replacement part made by Polaris. Making this a genuine OEM product.
This backup valve was designed to be the feature that backs the pressure side cleaner out of any corners or edges along with the pool steps which would cause the cleaner to be hung up or impeded. Without it, the cleaner would be insufficient in its ability to suck and pull up dirt and debris off your pool's surface.
This part is white and should be located approximately 18 inches from the head of the cleaner and will turn on every 2 ½ to 3 minutes to pull the cleaner out of tight corners or trouble spots. A great troubleshooting tip if the cleaner is tangled up via the hoses or floating at the top of the pool water would be to check this backup valve to see if it is operating correctly, start by pulling the cleaner out of the water. It should run for approximately 30 seconds, if it runs longer than this then it means the internal mechanism has failed and is stuck in the open position. Just make sure you are purchasing the full assembly with the mechanism included, replacing just the outer case will not correct this issue. You can also purchase just the mechanism itself here on our site.
Works with this pressure-side pool cleaner:
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From our customers
Incredible prices & free shipping for name brand products, not cheap knock offs! I placed my order on Sunday and received shipping confirmation on Monday! Filters arrived in the original Pentair Shipping carton the next day. Excellent company and service while saving big over the local pool store and cheap knockoff from large online retailer!Google Review
Outstanding support! Customer service has prompt responses and solutions to your pool needs. I am very happy with a replacement suction vacuum solution that was suggested. I bought it and it shipped to my home in 3 days. Great job and a pleasure doing business with this pool company.Google Review
Outstanding customer service along with very competitive prices. My orders always ship the same day as placed. Almost everything I look for happens to be in stock. Highly recommend.Google Review
These guys are hands down THE BEST....best prices...best advice...best in stock selection...best brand name products! They dont try to sell u stuff you dont need, good honest people!! I have ordered from them multiple times. Lighting fast shipping. AAA+++Google Review
frankly, if i had the option of 10 stars i would give them....-Google Review-