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HydroFlame™ Pro Tub Box

Designed to encompass a broad range of exotic drain and tub designs, HydroFlame Pro tub boxes give you more flexibility when laying out the tub and the drain. In addition to providing more annular space for tight fits when layouts and spacing become an issue, the tub boxes also have two optional knock-out positions to accommodate standard and exotic waste and overflow locations.

Key features: 

  • Up to three-hour fire rating (F-Rating) 
  • Built-in fire, smoke and gas protection 
  • Provides a watertight slab penetration 
  • Accepts 1-1/2 in. PVC, ABS, cast iron and brass drain pipes; Thin wall Tub Box SKU’s come with appropriate rubber seal plug 
  • Allows for expansion, contraction and movement 
  • Provides a UL listed W rating for watertight slab protection for all drain pipe types. Rubber seal plug included for thin wall drain applications. 
  • Height can be modified in the field 
  • For slabs greater than 10-1/2 in. an extension (HFPE2) can be added to HFPTB-TW-0200 and HFPTB-NP-0200 
  • Tested to ASTM E814, UL 1479, and CAN/ULC S115 Testing Standards 
Where to Buy
SKU Nominal Pipe Size Description Penetrating Pipe Type
HFPTB-TW-0200 2 in. NPS

10-1/2 in. slab or thicker

1-1/2 in. thin wall drain, 2 in. HFP-P2B sleeve diameter 
HFPTB-NP-0200 2 in. NPS

10-1/2 in. slab or thicker

1-1/2 in. NPS drain, 2 in. HFP-P2B sleeve diameter 
HFPTB-1.5NP

Optional rubber donut

Plastic and Metal
HFPLTB-NP-0200-8 2 in. NPS

8 in. slab height

1-1/2 in. NPS drain, 2 in. sleeve diameter 
HFPLTB-TW-0200-8 2 in. NPS

8 in. slab height

1-1/2 in. thin wall drain, 2 in. sleeve diameter 
HFPLTB-NP-0300-8 3 in. NPS

8 in. slab height

1-1/2 in. NPS drain, 3 in. sleeve diameter 
HFPLTB-TW-0300-8 3 in. NPS

8 in. slab height

1-1/2 in. thin wall drain, 3 in. sleeve diameter 
HFPLTB-NP-0200-9 2 in. NPS

9 in. slab height

1-1/2 in. NPS drain, 2 in. sleeve diameter 
HFPLTB-TW-0200-9 2 in. NPS

9 in. slab height

1-1/2 in. thin wall drain, 2 in. sleeve diameter 
HFPLTB-NP-0300-9 3 in. NPS

9 in. slab height

1-1/2 in. NPS drain, 3 in. sleeve diameter 
HFPLTB-TW-0300-9 3 in. NPS

9 in. slab height

1-1/2 in. thin wall drain, 3 in. sleeve diameter 
HFPLTB-NP-0200-10 2 in. NPS

10 in. slab height

1-1/2 in. NPS drain, 2 in. sleeve diameter 
HFPLTB-TW-0200-10 2 in. NPS

10 in. slab height

1-1/2 in. thin wall drain, 2 in. sleeve diameter 
HFPLTB-NP-0300-10 3 in. NPS

10 in. slab height

1-1/2 in. NPS drain, 3 in. sleeve diameter 
HFPLTB-TW-0300-10 3 in. NPS

10 in. slab height

1-1/2 in. thin wall drain, 3 in. sleeve diameter 
More Details

Common Applications

  • Firestop

Approvals & Listings

  • ASTM E814
  • UL 1479
  • CAN/ULC S115

UL Ratings

Type UL Rating Status
Fire F
Smoke/Gas L
Thermal T
Water W
*T-Rating when penetrant is non-metallic
**W-Rating, refer to UL System data for specific sizing requirement
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cUL Listed
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fbc compatible
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“FBC™ System Compatible indicates that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® piping systems and products made with TempRite® Technology.” “The FBC System Compatible Logo, FBC™, FlowGuard Gold®, BlazeMaster®, Corzan®, and TempRite® are trademarks of Lubrizol Advanced Materials, Inc. or its affiliates.”