

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Mainline ML87503 is an essential component for plumbing systems. This test cap is designed for high-pressure applications, making it ideal for testing and sealing PVC drainage, waste, and vent (DWV) systems. The glue-on feature ensures a secure and reliable fit, preventing leaks during pressure testing.
This test cap meets high-pressure requirements for efficient testing in plumbing setups.
Thanks for subscribing!
This email has been registered!