Drain Ring Chart

By Size

Listed by size, we've included all available drain rings, along with a picture and other defining characteristics in the chart below.
Use the check boxes to quickly find a drain ring by a specific size range. 

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7-9 in.
9-11 in.
11-13 in.
13-15 in.
15-17 in.
17-19 in.
19-21 in.
21-23 in.

Drain Wizard Notes

O.D.’s: Overall Diameter includes any lip, Gravel stop diameter is the more accurate dimension. Casting #’s aren’t always present and can change. I.D. is generally 1/16-1/4” larger than the drain dome used on the ring, it’s purpose here is to give dimension for domes that may fit.

Smith 1330

  • OD: 7-1/2"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 4-3/4"
  • ID: 6-3/4" (inside of gravel stop)
  • Notes: Casting number 4015 JR630, DRP-STH0004
View Smith 1330 Drain Ring

Josam 22060

  • OD: 7-5/8"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 4-3/4"
  • ID: N/A - dome goes over gravel stop.
  • Notes: All Josam 3-bolt rings use the same dome [22202]. Casting numbers 011230, 22060. DRP-JOS0005.
View Josam 22060 Drain Ring

Canplas 383552-2

  • OD: 8"
  • Bolts: 4 (Holes not slots)
  • Bolt to Bolt at 180°: 5-1/2"
  • Bolt to Adjacent Bolt: 3-3/4"
  • ID: 7-1/2" (inside of gravel stop)
  • Notes: PVC only. Casting number same as P/N. DRP-CAN0001.
View Canplas 383552-2 Drain Ring

Frank Pattern 850-06

  • OD: 8" overall O.D., 7-1/2" gravel stop O.D.
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5-1/2"
  • ID: 6-3/4" (inside of gravel stop)
  • Notes: No casting number. DRP-FPD0004.
  • Replacement Alternative: Available for purchase through LSP Products.
Call 1-800-635-0384

Mifab A1-C3

  • OD: 8" (Does not include ears)
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 4-7/8"
  • ID: 7-5/8" (inside of gravel stop)
  • Notes: Has 2 ears. Similar to the Watts B3-FLG, but not interchangeable.
View Mifab A1-C3 Drain Ring

Sioux Chief 867

  • OD: 8"
  • Bolts: 4
  • Bolt to Bolt at 180°: 6"
  • Bolt to Adjacent Bolt: 4-1/4"
  • ID: 7-1/2" (inside of gravel stop)
  • Notes: No casting number. Available in PVC or cast iron. DRP-SIO0001 (PVC). DRP-SIO0003 (CI).
View Sioux Chief 867 Drain Ring

Wade 3200 OS (Old Style)

OBSOLETE

  • OD: 8"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5-1/4"
  • ID: 7-1/2" (inside of gravel stop)
  • Notes: Old and new are shown in the picture. The older drain has a sharper bevel, but no lip past the gravel stop. Casting number 3200-FR.
  • Replacement Alternative: Wade 3200 Drain Ring. 
View Wade 3200 Drain Ring

Watts B3-FLG

  • OD: 8-1/4" (not including ears)

  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 4-7/8
  • ID: 7-5/8" (inside of gravel stop)
  • Notes: Has two ears. Very similar to the Mifab A1-C3, but not interchangeable. Casting number same as P/N. DRP-WAT0002.
View Watts B3-FLG Drain Ring

Zurn JP2080-CC

  • OD: 8-1/4"

  • Bolts: 4
  • Bolt to Bolt at 180°: 5-3/4"
  • Bolt to Adjacent Bolt: 4-1/4"
  • ID: 7-3/8" (inside of gravel stop)
  • Notes: Not interchangeable with Z125. Casting number 58034-001. DRP-ZRN003.
View Zurn JP2080-CC Drain Ring

Josam 22040

  • OD: 8-1/2"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5-3/4"
  • ID: N/A - dome goes over gravel stop.
  • Notes: All Josam 3-bolt rings use the same dome [22202]. Casting numbers 011680, 22040. DRP-JOS0006.
View Josam 22040 Drain Ring

Josam 22080

  • OD: 8-1/2"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5"
  • ID: 8" (inside of gravel stop)
  • Notes: All Josam 3-bolt rings use the same dome [22202]. Casting numbers 011420, 22080. DRP-JOS0004.
View Josam 22080 Drain Ring

Zurn Z125

  • OD: 8-1/2"

  • Bolts: 4
  • Bolt to Bolt at 180°: 6"
  • Bolt to Adjacent Bolt: 4-1/2"
  • ID: 7-3/4" (inside of gravel stop)
  • Notes: Casting number 56585-001. DRP-ZRN0004.
View Zurn Z125 Drain Ring

Olympic PVC/PET Ring

OBSOLETE

  • OD: 9"
  • Bolts: 6
  • Bolt to Bolt at 180°: 7-1/2"
  • Bolt to Adjacent Bolt: 3-3/4"
  • ID: 8-1/4" (inside of gravel stop)
  • Notes: PVC ring.
  • Replacement Alternative: No known replacement
Call 1-800-635-0384

Wade 3200 NS (New Style)

  • OD: 9" overall O.D., 8" gravel stop O.D.
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5-1/4"
  • ID: 7-1/2" (inside of gravel stop)
  • Notes: Replaces old style per Wade. Casting number 3200-FFR. DRP-WAD0004.
View Wade 3200 Drain Ring

Plastic Oddities PSP-60

  • OD: 9-1/4"
  • Bolts: 4 (holes not slots)
  • Bolt to Bolt at 180°: 6-1/2"
  • Bolt to Adjacent Bolt: 4-1/2"
  • ID: 8-1/2" 
  • Notes: Only available in PVC. No casting number. DRP-POD0001.
  • Replacement Alternative: No known replacement.
View Plastic Oddities PSP-60 Drain Ring

Josam 22202

  • OD: 10" overall O.D., 8-1/2" gravel stop O.D.
  • Bolts: 4 (holes not slots)
  • Bolt to Bolt at 180°: 6-7/16"
  • Bolt to Adjacent Bolt: N/A
  • ID: 7-3/4" (inside of gravel stop)
  • Notes: Expensive drain. Has closed bolt holes and a flat underside. Casting number 030711. DRP-JOS0010.
View Josam 22202 Drain Ring

Marathon BC1-3107

  • OD: 10-1/8"
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 5-3/4"
  • ID: 9-5/8" (inside of gravel stop)
  • Notes: Fits Marathon PVC drains, as well as other off-brand PVC roof drains. Casting number FC2US (best I.D.). DRP-MAR0001.
View Marathon BC1-3107 Drain Ring

Marathon Aluminator Ring

  • OD: 10-1/4"
  • Bolts: 6
  • Bolt to Bolt at 180°: Has two bolt circles - one at 5-7/8" and one at 6-7/8"
  • Bolt to Adjacent Bolt: N/A
  • ID: 10" (inside of gravel stop)
  • Notes: This ring has two bolt circles and fits Marathon Insert Drains. No casting number. DRP-MAR0005.
View Marathon Alluminator Drain Ring

Portals Plus 67215

  • OD: 10-1/4" 
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-3/4"
  • Bolt to Adjacent Bolt: 5-1/2"
  • ID: 9-1/2" (inside of gravel stop)
  • Notes: This is the same ring as the Sioux Chief 868. Casting # H990 DRP-POR0001.
View Portals Plus 67215 Drain Ring

Sioux Chief 868

  • OD: 10-1/4"
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-3/4"
  • Bolt to Adjacent Bolt: 5-1/2"
  • ID: 9-1/2" (inside of gravel stop)
  • Notes: This ring is the same ring as the Portals Plus 67215. Casting number is H990. DRP-SIO0002.
View Sioux Chief 868 Drain Ring

Olympic U-Flow & Speedtite Ring

  • OD: 10-1/2"
  • Bolts: 6
  • Bolt to Bolt at 180°: 7-1/8"
  • Bolt to Adjacent Bolt: 3-1/2"
  • ID: 9-3/4" (inside of gravel stop)
  • Notes: This ring fits U-Flow, Hercules and Speedtite drains. DRP-OLY0001.
View Olympic U-Flow & Speedtite Drain Ring

Froet 100C2

  • OD: 11"
  • Bolts: 4
  • Bolt to Bolt at 180°: 7"
  • Bolt to Adjacent Bolt: 5"
  • ID: 8-5/8" (inside of gravel stop)
  • Notes: No casting number; use Code Z. Froet drains are dual outlet. Now bought through Zurn.
Call 1-800-635-0384

Josam 22010

  • OD: 11"
  • Bolts: 4
  • Bolt to Bolt at 180°: 9"
  • Bolt to Adjacent Bolt: 6-1/4"
  • ID: 10-1/4" (inside of gravel stop)
  • Notes: This ring has a flat underside. It can replace the Blake 77776. Casting number 011440. DRP-JOS0003.
View Josam 22010 Drain Ring

Smith 1310

  • OD: 11" overall O.D., 10-1/2" gravel stop O.D.
  • Bolts: 4
  • Bolt to Bolt at 180°: 8-1/4"
  • Bolt to Adjacent Bolt: 5-3/4"
  • ID: 10" (inside of gravel stop)
  • Notes: Casting number 4016 JR212. DRP-STH0003.
View Smith 1310 Drain Ring

Zurn Z121

  • OD: 11"

  • Bolts: 4
  • Bolt to Bolt at 180°: 8-1/4"
  • Bolt to Adjacent Bolt: 5-3/4"
  • ID: 10-1/4" (inside of gravel stop)
  • Notes: Casting number 56588-001. DRP-ZRN0003.
View Zurn Z121 Drain Ring

Blake 77776

OBSOLETE

  • OD: 11-1/2"
  • Bolts: 4
  • Bolt to Bolt at 180°: 9-1/2"
  • Bolt to Adjacent Bolt: 6-3/4"
  • ID: 10-7/8" (inside of gravel stop)
  • Notes: No casting number. Stepped bevel.
  • Replacement Alternative: A Josam 22010 can be used as a replacement.
Call 1-800-635-0384

LSP Products P-70739

  • OD: 11-1/2" square
  • Bolts: 12 (Eight on the upper flange; four on the lower flange)
  • Bolt to Bolt at 180°: 10-1/2" across at 180° on upper flange; 10" corner to corner on upper flange; 8-1/4" corner to corner lower flange.
  • Bolt to Adjacent Bolt: 5-3/4"
  • ID: N/A (inside of gravel stop)
  • Notes: Uni-flex, square PVC ring. Only made in PVC. No casting number. DRP-LSP0001.
Call 1-800-635-0384

Wade 3500

  • OD: 11-1/2"
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-1/2" (1-1/4" long slots)
  • Bolt to Adjacent Bolt: 5-1/2"
  • ID: 11-3/4" (inside of gravel stop)
  • Notes: Fits 3500 & 3000 bowls. Casting number W-3500-FRG. DRP-WAD0001.
View Wade 3500 Drain Ring

Wade 3000

  • OD: 12"
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-3/4" (1-1/8" long slots)
  • Bolt to Adjacent Bolt: 5-1/2"
  • ID: 11-3/4" (inside of gravel stop)
  • Notes: Fits 3000 and 3500 bowls. Casting number W-3000-FRH (on some). DRP-WAD0002.
View Wade 3000 Drain Ring

Thunderbird A-CR

  • OD: 12-1/8" (Does not include ears)
  • Bolts: 6
  • Bolt to Bolt at 180°: 9-1/8"
  • Bolt to Adjacent Bolt: 4-1/2"
  • ID: N/A
  • Notes: Used on Thunderbird copper roof drains. Flat ring, no gravel stop. No casting number. DRP-TDB0001.
View Thunderbird A-CR Clamp Ring

Josam 22204

  • OD: 12-5/8" overall O.D., 11-3/4" gravel stop O.D.
  • Bolts: 4 (holes not slots)
  • Bolt to Bolt at 180°: 8-13/16"
  • Bolt to Adjacent Bolt: N/A
  • ID: 11" (inside of gravel stop)
  • Notes: Expensive drain. Has closed bolt holes and a flat underside. Casting number 030761. DRP-JOS0011.
View Josam 22204 Drain Ring

Boosey 13-in.

OBSOLETE

  • OD: 13"
  • Bolts: 4
  • Bolt to Bolt at 180°: 8-1/2"
  • Bolt to Adjacent Bolt: 6"
  • ID: 12" (inside of gravel stop)
  • Notes: No casting number. Flat underside.
  • Replacement Alternative: No known replacement.
Call 1-800-635-0384

Canplas 383556-2

  • OD: 13-1/4"
  • Bolts: 4
  • Bolt to Bolt at 180°: 11"
  • Bolt to Adjacent Bolt: 7-3/4"
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: PVC only. Casting number same as P/N. DRP-CAN0002.
View Canplas 383556-2 Drain Ring

Froet 100C4

  • OD: 13-1/4"
  • Bolts: 4
  • Bolt to Bolt at 180°: 9-7/8"
  • Bolt to Adjacent Bolt: 7"
  • ID: 11-7/8" (inside of gravel stop)
  • Notes: No casting number; use Code Z. Froet drains are dual outlet. Now bought through Zurn. 
Call 1-800-635-0384

Marathon BS1300

  • OD: 13-1/2" overall O.D., 13" gravel stop O.D.
  • Bolts: 6
  • Bolt to Bolt at 180°: 6-1.2" minimum; 11-1/2" maximum
  • Bolt to Adjacent Bolt: Varies
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: This ring has 3- and 4-bolt patterns. It's only sold in a combo kit with dome. No casting number. DRP-MAR1501.
Call 1-800-635-0384

Mifab A2-C3

  • OD: 13-1/2" overall O.D.; 13" gravel stop O.D.
  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 7-3/4"
  • ID: 12-1/8" (inside of gravel stop)
  • Notes: Similar to the Watts B2-FLG, but not interchangeable. Casting number same as P/N. DRP-MIF0001.
View Mifab A2-C3 Drain Ring

Zurn Z100

  • OD: 13-1/2" overall O.D., 13" gravel stop O.D.
  • Bolts: 4
  • Bolt to Bolt at 180°: 9-1/2"
  • Bolt to Adjacent Bolt: 6-3/4"
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: Casting number 29480. DRP-ZRN0001, DRP-ZRN0002 [Hy-Tech Ring].
View Zurn Z100 Drain Ring

Zurn RD2190

  • OD: 13-1/2" overall O.D., 13" gravel stop O.D.

  • Bolts: 4
  • Bolt to Bolt at 180°: 7-7/8" minimum, 10-1/2 maximum
  • Bolt to Adjacent Bolt: Varies
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: Universal ring. No casting number. DRP-ZRN0006.
View Zurn RD2190 Drain Ring

Mifab R1810

  • OD: 13-5/8" overall O.D., 13" gravel stop O.D.
  • Bolts: 6
  • Bolt to Bolt at 180°: 6-7/8" minimum, 10-1/4" maximum
  • Bolt to Adjacent Bolt: Varies
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: This ring can be used as a 3- or 4-bolt. Univesal ring. Casting number same as P/N. DRP-MIF0006.
View Mifab R1810 Drain Ring

Smith 1002

  • OD: 13-5/8" overall O.D., 12-3/4" gravel stop O.D.
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-1/4" minumum, 10-3/4" maximum
  • Bolt to Adjacent Bolt: Varies
  • ID: 12-1/4" (inside of gravel stop)
  • Notes: Expensive compared to other universal rings. Flat bottom. Casting number 1002 DRP-STH0006.
Call 1-800-635-0384

Josam 414

  • OD: 13-3/4" overall O.D., 13-1/4" gravel stop O.D.
  • Bolts: 4 (pads not slots)
  • Bolt to Bolt at 180°: 10-1/2" from center of dimples on the pads
  • Bolt to Adjacent Bolt: 7-1/4"
  • ID: 12-5/8" (inside of gravel stop)
  • Notes: A Zurn Z100 CI Dome will fit this ring. Casting number 010350T. DRP-JOS0002.
View Josam 414 Drain Ring

Josam 21500

  • OD: 14"
  • Bolts: 4
  • Bolt to Bolt at 180°: 10-1/2"
  • Bolt to Adjacent Bolt: 7-1/4"
  • ID: 13-1/8" (inside of gravel stop)
  • Notes: Flat underside. Casting number 029269. DRP-JOS0001.
View Josam 21500 Drain Ring

Smith 1010

  • OD: 14" overall O.D., 12-3/4" gravel stop O.D.
  • Bolts: 4
  • Bolt to Bolt at 180°: 10-1/2"
  • Bolt to Adjacent Bolt: 7-3/8"
  • ID: 12-1/4" (inside of gravel stop)
  • Notes: Casting number 3260 JR117. DRP-STH0001.
View Smith 1010 Drain Ring

Wade 3101

  • OD: 14"
  • Bolts: 4
  • Bolt to Bolt at 180°: 9-1/2" (1-1/4" long slots)
  • Bolt to Adjacent Bolt: 6-1/2"
  • ID: 13" (inside of gravel stop)
  • Notes: Sharp bevel. Casting number W-3101-FRG. DRP-WAD0005.
View Wade 3103 Drain Ring

Watts B2-FLG

  • OD: 14" overall O.D., 13" gravel stop O.D.

  • Bolts: 3
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 7-3/4"
  • ID: 12-1/2" (inside of gravel stop)
  • Notes: Has two flat sides, O.D. at that points is 13-1/8". Casting number same as P/N. DRP-WAT001.
View Watts B2-FLG Drain Ring

Boosey 15-in.

OBSOLETE

  • OD: 15"
  • Bolts: 4
  • Bolt to Bolt at 180°: 10"
  • Bolt to Adjacent Bolt: 7"
  • ID: 14-1/4" (inside of gravel stop)
  • Notes: No casting number. Flat underside.
  • Replacement Alternative: No known replacement.
Call 1-800-635-0384

Josam 415

  • OD: 15" overall O.D., 14-3/4" gravel stop O.D.
  • Bolts: 4 (pads not slots)
  • Bolt to Bolt at 180°: 11-1/4" from center of dimples on the pads
  • Bolt to Adjacent Bolt: 7-3/4"
  • ID: 14-1/8" (inside of gravel stop)
  • Notes: A Wade 3508 Cast Iron Dome will fit this ring. Casting number 010520. DRP-JOS0007.
View Josam 415 Drain Ring

Josam R700

  • OD: 15" overall O.D., 14" gravel stop O.D.
  • Bolts: 4
  • Bolt to Bolt at 180°: 7-1.2" minimum, 11" maximum
  • Bolt to Adjacent Bolt: Varies
  • ID: 12-5/8' (inside of gravel stop)
  • Notes: This ring is expensive compared to other universal rings. Casting number same as P/N. Use Z code.
Call 1-800-635-0384

Wade 3108

  • OD: 15-1/4"
  • Bolts: 4
  • Bolt to Bolt at 180°: 11-1/2" (1" long slot)
  • Bolt to Adjacent Bolt: 8"
  • ID: 14-1/4" (inside of gravel stop)
  • Notes: Casting number W-3108-FRG. DRP-WAD0006.
View Wade 3108 Drain Ring

Watts B15-FLG

  • OD: 15-1/4" overall O.D., 13" gravel stop O.D.

  • Bolts: 4 holes
  • Bolt to Bolt at 180°: 13-3/4"
  • Bolt to Adjacent Bolt: 9-3/4"
  • ID: 12-1/2" (inside of gravel stop)
  • Notes: Has holes, not slots located outside of gravel stop. Casting number same as P/N. DRP-WAT0004.
View Watts B15-FLG Drain Ring

Blake 78099

OBSOLETE

  • OD: 15-3/4"
  • Bolts: 4
  • Bolt to Bolt at 180°: 13"
  • Bolt to Adjacent Bolt: 7-5/8"
  • ID: 14-7/8" (inside of gravel stop)
  • Notes: No casting number. Stepped bevel.
  • Replacement Alternative: No known replacement.
Call 1-800-635-0384

Josam 416

  • OD: 15-3/4" overall O.D., 15-1/4" gravel stop O.D.
  • Bolts: 4 pads not slots
  • Bolt to Bolt at 180°: 12-1/4" from center of dimples on the pads
  • Bolt to Adjacent Bolt: 8-1/2"
  • ID: 14-1/2" (inside of gravel stop)
  • Notes: A Wade 3508 Cast Iron Dome will fit this ring. Casting number 010660. DRP-JOS0008.
View Josam 416 Drain Ring

Blake 79098

OBSOLETE

  • OD: 15-7/8"
  • Bolts: 4
  • Bolt to Bolt at 180°: 11-1/4"
  • Bolt to Adjacent Bolt: 7-3/4"
  • ID: 15" (inside of gravel stop)
  • Notes: No casting number. Sharp Single bevel.
  • Replacement Alternative: No known replacement.
Call 1-800-635-0384

Josam 22206

  • OD: 16-1/4" overall O.D., 15-3/8" gravel stop
  • Bolts: 4 (Holes not slots)
  • Bolt to Bolt at 180°: 12-1/4
  • Bolt to Adjacent Bolt: N/A
  • ID: 14-3/4 (inside of gravel stop)
  • Notes: Expensive drain. Has closed bolt holes and a flat underside. Casting number 030811. DRP-JOS0012.
View Josam 22206 Drain Ring

Froet 100C6

  • OD: 17"
  • Bolts: 4
  • Bolt to Bolt at 180°: 14"
  • Bolt to Adjacent Bolt: 9-3/4"
  • ID: 15-7/8" (inside of gravel stop)
  • Notes: No casting number; use Code Z. Froet drains are dual outlet. Now bought through Zurn.
Call 1-800-635-0384

Josam 418

  • OD: 17-1/4"
  • Bolts: 4 (pads and slots)
  • Bolt to Bolt at 180°: 13-1/4"; 14" from center of dimples on the pads.
  • Bolt to Adjacent Bolt: 9-1/4" slots, 9-3/4" pads
  • ID: 16-3/4" (inside of gravel stop)
  • Notes: Casting number 010800T. DRP-JOS0009.
View Josam 418 Drain Ring

Smith 1010XL

  • OD: 18-1/2" overall O.D., 16-1/2 gravel stop O.D.
  • Bolts: 5
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 8-1/4"
  • ID: 15-7/8" (inside of gravel stop)
  • Notes: Five bolt ring. Casting number 3747. DRP-STH0005.
View Smith 1010 XL Drain Ring

Zurn Z101

  • OD: 19" overall O.D., 18-3/4" gravel stop O.D.
  • Bolts: 5
  • Bolt to Bolt at 180°: N/A
  • Bolt to Adjacent Bolt: 9-1/2"
  • ID: 18-1/4" (inside of gravel stop)
  • Notes: Flat bottom. Casting number 61209-001. DRP-ZRN0005.
View Zurn Z101 Drain Ring

Watts B7-FLG

  • OD: 20" x 12" (oval ring)

  • Bolts: 6
  • Bolt to Bolt at 180°: 15-1/2" on 20" side, 7-3/4" on 12" side
  • Bolt to Adjacent Bolt: 6"
  • ID: 19-1/2" x 11-5/8" (inside of gravel stop)
  • Notes: Oval ring for dual drain with flat bottom. Casting number same as P/N. DRP-WAT0003.
View Watts B7-FLG Drain Ring

Froet 100C8

  • OD: 23"
  • Bolts: 4
  • Bolt to Bolt at 180°: 19-7/8"
  • Bolt to Adjacent Bolt: 13-3/4"
  • ID: 21-7/8" (inside of gravel stop)
  • Notes: No casting number; use Code Z. Froet drains are dual outlet. Now bought through Zurn.
Call 1-800-635-0384