Grant L Hose Adaptor 1" F X " Expansion Vessel Gcs33

400 Litre cylinders

Grant L Hose Adaptor 1" F x Expansion Vessel – GCS33

Part Number: GCS33
For Use with Grant Hot Water Cylinders and Expansion Vessels

The Grant GCS33 L Hose Adaptor is a robust and essential component designed to connect expansion vessels to domestic hot water cylinder systems. Featuring a 1" female connection, this adaptor ensures a secure, leak-proof fit between your expansion vessel and the connecting hosework, making it ideal for both installation and maintenance jobs.

This fitting is compatible with a wide range of Grant cylinder and system models, offering a reliable solution for engineers and installers working on sealed hot water systems. Manufactured to Grant’s high standards, the GCS33 adaptor is durable, corrosion-resistant, and built to handle long-term heating system demands.

Key Features

• 1" female thread – suitable for most Grant expansion vessel hose connections

• High-quality brass construction for strength and durability

• Precision-engineered for a leak-free, secure connection

• Corrosion-resistant for long-term use in domestic hot water systems

• Designed specifically for use with Grant cylinders and accessories

• Ideal for new installs or replacing worn adaptors

Compatible Boiler & Cylinder Models

• Suitable for all Grant cylinders and hot water systems that require 1" F hose adaptors

• Compatible with Grant expansion vessels and associated pipework

• Typically used in sealed system hot water setups

When to Replace the Hose Adaptor

• When carrying out a new expansion vessel installation

• If the existing adaptor shows corrosion or leaks

• During planned maintenance or servicing

• When replacing or upgrading hoses or expansion components

• If fittings are loose or threads damaged

Technical Specifications

• Part Number: GCS33

• Connection Type: 1" Female BSP (British Standard Pipe)

• Material: High-grade brass

• Use: For connecting expansion vessel hoses

• Application: Domestic hot water and heating systems

• Orientation: L-shape for space-saving connection