This cap is designed to fit over a 6-5/8" outside diameter well casing, so it should fit securely. The cap uses a rubber compression gasket that seals when the collar is tightened.

H2O PRO Cast Aluminum Well Cap, Fits 5 Inch ID and 5-9/16 Inch OD Well Casings, 1 Inch Conduit Size, Model 148134 Add to cart

Starting at $135.00 Select Options No Reviews WCOP Series Sanitary Aluminum Top Watertight Well Cap with Conduit Tapping and Vent and Optional Ground Lug– PVC Base | WCOP Starting at …

Water wells require a water-tight cap or cover to prevent contamination from surface runoff or flood waters. But some well caps also require an air vent. This article explains the requirements for well …

Protect your drinking water. Learn why a secure well cap or cover is critical, how to inspect it, what the code requires, and when to call a pro. Your complete guide.

Well caps are installed on top of well casings to prevent surface liquids and debris from entering the well and contaminating the water supply. After the well cap is installed, it only needs to be removed for …

Boshart’s premium watertight well cap installs fast & simply allowing for easy access to the well for maintenance. The three piece design allows the cover to be removed without disturbing the seal to …

Overview This well cap prevents contamination from surface drainage. It is constructed of high quality cast iron. It is easy to install.

This category contains a variety of well caps.

ABS Well Cap (SC-style) ... Constructed of injection-molded ABS plastic. Cap base can be solvent-welded directly to PVC well casing.