The John Guest brass female stem adaptor converts a push-fit to a female thread appliance. The stem adaptor is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works.

Features & Benefits:

• Safe flame-free installation, with no hot works, glue or flux
• Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe
• Suitable for hot and cold water and central heating systems