1.The pressure release valve is made of white plastic shell, black plastic tip and stainless steel spring-loaded. 2.Size: bottom width: 1.67'', height 1.74". In case of manual measurement error, please refer to the physical product. 3.Compatible With: This pressure release valve fits for Zodiac Polaris 180, Vac-Sweep 280, Vac-Sweep 380, 280 TankTrax, 480 Pro, 3900 Sport pool sweep. 4.Replaces OEM Part Number: 9-100-9002, 91009002. 5.Application: The valve relieves excess pressure to speed up, so the pool cleaner performs quickly and properly. How to install it? 闁?闁挎稑顢渦rn the knob to the right and it will tighten up the spring and cause the cleaner to go faster. 闁?闁挎稑顢渦rn the knob to the left and it loosens up the spring a.
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