Quick Pitch Universal Center Ring for Square Shower Drains Universal center ring designed for use with Quick Pitch® shower slope systems and square shower drains up to 4 inches. The Quick Pitch® Universal Center Ring by Mark E Industries allows Quick Pitch® shower floor slope systems to integrate with modern square shower drains and waterproof tile shower installations. This universal center ring is designed for use with square shower drains up to 4 inches and supports accurate mortar bed slope installation for custom tile showers, curbless shower systems, and modern bathroom remodeling projects. Compatible Applications Square shower drains up to 4 inches Quick Pitch® shower slope systems Custom tile showers Curbless shower systems Waterproof mortar bed shower floors Residential and commercial bathrooms How to Use Select the appropriate threaded riser adapter Use adapter A1 for 3 inch threaded risers Use adapter A2 for 2 inch threaded risers Snap the selected adapter into the Universal Center Ring Install the weep hole protector Install Quick Pitch® float sticks as needed Package Includes 1 Universal Center Ring 1 A1 3 inch threaded riser adapter 1 A2 2 inch threaded riser adapter Designed for Proper Shower Drainage The Quick Pitch® system helps installers create the industry-standard 1/4 inch per foot drainage slope required for efficient shower floor drainage and long-term waterproofing performance. The Universal Center Ring allows Quick Pitch® systems to work with many modern square drain installations while maintaining accurate mortar bed screeding and slope consistency. Key Features Compatible with square shower drains up to 4 inches Works with Quick Pitch® shower slope systems Supports accurate shower floor slope installation Compatible with modern waterproofing systems Designed for custom tile shower construction Helps simplify mortar bed screeding Durable lightweight construction Professional shower floor installation solution Modern Waterproofing Compatibility The Universal Center Ring is compatible with: Liquid waterproofing membranes Sheet membrane waterproofing systems Vinyl shower pan liners Square shower drain systems Curbless shower waterproofing systems Modern waterproof shower systems help improve long-term moisture protection while supporting durable tile shower installations. A few simple installation steps and you're ready to tile. Helpful Resources Quick Pitch System Specifications Quick Pitch Installation Guide Linear Drain Installation Videos Sheet Membrane Shower System Estimator Related Collections Shop Quick Pitch Shower Slope Systems Shop Goof Proof Shower Drains Shop SereneDrains Shower Drains