Replacement for Polaris E31 Back-up Valve Case O-Ring (E-30 Before 1986)(E-31 1986-91)

Replacement for Polaris Part Number E31 (E31)
Identical in Form, Fit, and Function to OEM Specification
Back-up Valve Case O-ring Back-up Valve Case O-Ring (E-30 Before 1986)(E-31 1986-91)

Premium heavy-duty materials for durability and performance.
Made in the USA. Packaged in the USA. Shipped from the USA. American owned. American operated.

Replacing this O-ring can return your pool system back to peak performance and efficiency, eliminate leaks, and prolong the life of your investment.
Keep a spare on hand to eliminate unplanned down time.
We recommend lubricating all O-rings with a quality silicone-based lubricant designed for O-rings.
The brand names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is solely for purposes of demonstrating compatibility.

• Replacement for Polaris Part Number E31
• Back-up Valve Case O-ring
• Identical in Form, Fit, and Function to OEM Specification
• American Owned and Operated Business. Part is Made and Packaged in the US.
• Back-up Valve Case O-Ring (E-30 Before 1986)(E-31 1986-91)