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20" UNBLOCKABLE RING DRAIN
25506-33X-00
All Custom Molded Products main drains are listed and tested in strict accordance to the requirements of
ANSI/APSP - 16 2011, the current standard of reference for the Virginia Graeme Baker Act, and compliant
to the latest Consumer Product Safety Commission (CPSC) requirements.
UL Listed VGB Suction: Compliant to ANSI/APSP - 16 2011 & CPSC Requirements
Covered by one or more U.S. patents or pending patent applications. See www.c-m-p.com/patents for details.
®
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Summary of Contents for CMP 25506-33 00 Series
- Page 1 ® 20" UNBLOCKABLE RING DRAIN 25506-33X-00 All Custom Molded Products main drains are listed and tested in strict accordance to the requirements of ANSI/APSP - 16 2011, the current standard of reference for the Virginia Graeme Baker Act, and compliant to the latest Consumer Product Safety Commission (CPSC) requirements.
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Page 2: Table Of Contents
TABLE OF CONTENTS Please read through the entire manual before installing your new unit. Your pool drain fitting must be installed and operated as specified. A. Safety Instructions & Precautions ..................3 B. Sizing & Specification Reference ..................4 C. Installation & Maintenance Procedures ................5 1. -
Page 3: Safety Instructions & Precautions
To reduce the risk of injury, installation and service should be done by a qualified Pool Service NOTICE Professional, certified electrician or authorized CMP representative. NOTE: In the event that one suction outlet is completely blocked, the remaining suction outlet(s) -
Page 4: Sizing & Specification Reference
B. SIZING & SPECIFICATION REFERENCE TABLE 1: FLOW RATES MAX FLOW RATE: TWO PORTS: 245.6GPM 2.5" or 2” PLUMBING ONE PORT: 216GPM (second plugged or used as hydrostatic valve) FLOW RATE @1.5FPS 216GPM TABLE 2: SPECIFICATIONS PIPE SIZE 2.5" SPIGOT / 2" SOCKET DO NOT adapt suction fitting to any pipe size smaller than ASTM 2”... -
Page 5: Installation & Maintenance Procedures
C. INSTALLATION & MAINTENANCE 1. REQUIRED FOR INSTALLATION Your 20” Unblockable Ring Drain includes the following: • Drain Sump Body • Drain Suction Cover • Protective Plaster Installation Cover • Cover Screws • 2” NPT Plugs (2) • Optional/Not Included: Hydrostatic Relief Valve 2. -
Page 6: Maintenance Procedure
C. INSTALLATION & MAINTENANCE Gunite & Plaster Filled Through Drain Center Plaster/Pool Finish Gunite/ Shotcrete Earth/ Substrate IMAGE 1 - INSTALLATION LOCATION Threaded Plug Hydrostatic Valve Optional Collection Tube IMAGE 2 - ALTERNATE PLUMBING 2. MAINTENANCE PROCEDURE The cover/grate and screws should be replaced at least every seven (7) years. b. - Page 7 D. PART DIAGRAMS AND MEASUREMENTS 17-1/2" 1 -7/8" 21-3/8" 3-3/16" 5-1/2" 2.0" 17-3/4" IMAGE 3 - DIMENSIONS...
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Page 8: Parts List
G. PARTS LIST CMP P/N DESCRIPTION 25506-330-000 WHITE 20” RING DRAIN COVER 25506-330-800 WHITE 20” RING DRAIN BODY 25520-050-020 2” PLUGS –– 25506-334-020 OPTIONAL HYDROSTATIC VALVE –– –– COVER SCREWS (8) Parts numbers not listed in product table are only available as part of a complete assembly. See c-m-p.com or pool products catalog for other color options... - Page 9 Record Information on this System Below & Keep for Your Records Installer _______________________________________________________________ Purchased From _______________________________________________________ Installation Date _____________________________ Model Number ______________________________ Pool Size in Gallons __________________________ CMP Customer Service & Tech Support Toll Free: 1-800-733-9060 FAX: 770-732-7115 support@c-m-p.com Warranty Questions RMA@c-m-p.com Support Resource &...
- Page 10 1218sb CUSTOM MOLDED PRODUCTS | 36 HERRING ROAD, NEWNAN, GA 30265 | WWW.C-M-P.COM...
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