
ISCA-122-D
Tag: 
SPECIFICATION:  Watts Drainage Products ISCA-122-D Industry Standard back-to-back vertical adjustable water closet carrier 
with epoxy coated cast iron fitting, 4"(102) no hub waste and 2"(51) no hub vent connections, epoxy coated ductile iron 
patented compression seal faceplate assembly, epoxy coated ductile iron foot supports and rod support assembly adjustable 
for standard and wheelchair height, ductile iron rear anchor support, adjustable ABS nipple with integral test cap and 
neoprene bowl gasket, stainless steel support rods and hardware, and chrome plated cap nuts. Carrier complies with 
requirements of ASME A112.6.1M up to a 1000 lb. (454 kg.) static load.
5/16"
(8)
1 9/32" (32)
9"
(229)
4 1/4"
(108)
26"
(660)
24"
(610)
Back-To-Back Vertical 1000 lb. 
Bariatric Closet Carrier
Options (Select One or More)
Suffix
-M20
NOTE: All foot supports must be securely anchored to concrete 
floor with min. 1/2"(13) anchors with pull-out force of 500 lbs. 
(227 kg). Rear anchor support must be securely anchored with 
min. 1/2"(13) anchors with pull-out force of 1000 lbs. (454 kg).
     Description
Flush Valve Support 
Industry Standard
4 1/4"
(108)
9"
(229)
1 9/32" (32)
5/16"
15" (381)
9" (229)
(8)
(191)
7-1/2" 
17-3/4" (451)
9-1/2"(241) MAX
4-7/8" (124) MIN
5" (127) MIN 
9" (229) MAX
4 1/2" 
(114 )
5"
(127 )
5 1/2" 
(140 )
6"
(152 )
17 3/4" 
(451)
21 3/4" 
(552)
USA: 100 Watts Road, Spindale, NC, 28160-2298; TEL: 828-288-2179 TOLL-FREE: 1-800-338-2581 www.watts.com 
  Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
ES-WD-ISCA-122-D USA 1007 ISCA-122-D