Each 3-pack includes:
• (2) 1/2” caps – Sink & faucet supply lines
• (1) 7/8” cap – Toilet supply line
The Flow Seal Cap™ provides temporary leak protection during plumbing repairs and installations.
Designed to help when a shutoff valve won’t fully close, it allows you to disconnect a supply line and hand-tighten the cap for a solid, secure seal.
Fits faucet and toilet supply connections
Tested at 80 PSI. Reusable design.
Solid Seal • No Leaks • No Venting
Temporary use only.
Turn off water supply before disconnecting lines.
Featured Products
Each 3-pack includes:
• (2) 1/2” caps – Sink & faucet supply lines
• (1) 7/8” cap – Toilet supply line
The Flow Seal Cap™ provides temporary leak protection during plumbing repairs and installations.
Designed to help when a shutoff valve won’t fully close, it allows you to disconnect a supply line and hand-tighten the cap for a solid, secure seal.
Fits faucet and toilet supply connections
Tested at 80 PSI. Reusable design.
Solid Seal • No Leaks • No Venting
Temporary use only.
Turn off water supply before disconnecting lines.
Each 3-pack includes:
• (2) 1/2” caps – Sink & faucet supply lines
• (1) 7/8” cap – Toilet supply line
The Flow Seal Cap™ provides temporary leak protection during plumbing repairs and installations.
Designed to help when a shutoff valve won’t fully close, it allows you to disconnect a supply line and hand-tighten the cap for a solid, secure seal.
Fits faucet and toilet supply connections
Tested at 80 PSI. Reusable design.
Solid Seal • No Leaks • No Venting
Temporary use only.
Turn off water supply before disconnecting lines.
Turn small issues into solved problems- fast.
Flow Lock Solutions is focused on smarter, more dependable plumbing protection. We design practical solutions that fit seamlessly into real-world installations and help reduce risk before problems start.
The Flow Seal Cap™ is our first product - a simple, purpose-built solution designed to strengthen installations and add confidence where it matters most.
A Simple Solution For Real-World Problems
Watch how the Flow Seal Cap™ works to provide a secure, temporary seal during plumbing repairs and installations.
