Skip to Content

THREAD 3/4" Square Head Plug BRASS

The THREAD 3/4" Square Head Plug BRASS is a corrosion-resistant brass fitting for sealing pipe threads.

  • Square head design allows easy installation with standard wrenches
  • Brass construction ensures durability and thermal conductivity
  • 3/4" NPT thread provides secure, leak-free tapered connections
  • Corrosion-resistant material withstands plumbing and pneumatic system environments

This plug seals threaded ports in Navigator heat pump systems and compatible brass piping.

£ 3.98 £ 3.98 (Tax included)
£ 3.98 (Tax included)

Custom Built Kits 
Every system is tailored to your specific project requirements, ensuring a seamless installation. 

Next Day Shipping

We hold a large stock of many items that are available for next day delivery.
Trade Accounts Available 
Register for a trade account to access preferential pricing, dedicated support and credit.
Full System Design Service 
Our experienced team cam design a complete heating system tailored to your project.