Suffix -X - Carpet Clamping Frame (4020, 4025 and 4031 Series only). Adjustable cleanout assembly is installed with nickel bronze frame and secured cover flush with concrete slab (Fig. 13). This serves as a functional, safe, "Flush-with-Floor" cleanout, during period prior to carpet installation. Carpet is cut to fit around lower cleanout frame and cover is removed. Carpet is clamped against slab with "Carpet Clamping Frame." Cover is then installed and secured in clamping frame (Fig. 14).

Suffix -Y - Carpet cleanout Marker (Fig. 15) - Used with 4020 and 4025 series cleanouts, 1 1/2" diameter stainless steel marker serves as cleanout locator in carpeted floors. When access to drain line is required, marker locates cleanout. Carpet over cleanout is cut for accessibility to closure plug. After drain line is cleaned, carpet is replaced and marker reinstalled.