Grant Expansion Vessel Hose Gcs02 All Models

" BSPF x " BSPM

Grant Expansion Vessel Hose – GCS02

Part Number: GCS02
Compatible with: All Grant Boiler Models
Category: Heating System Components

Ensure the reliable connection between your Grant boiler and its expansion vessel with the Grant Expansion Vessel Hose GCS02. This genuine flexible hose is designed for all Grant boiler models and provides a secure, heat- and pressure-resistant connection—critical for the safe operation of sealed central heating systems.

Whether you're replacing a worn, cracked, or leaking hose or upgrading during routine maintenance, the GCS02 offers durability, ease of installation, and peace of mind.

Key Features

• OEM Grant part – guaranteed fit and performance

• Compatible with all Grant boiler models

• Heat- and pressure-resistant flexible hose

• Pre-fitted connections for easy installation

• Ensures reliable water flow to/from the expansion vessel

• Helps maintain system pressure and safety compliance

• Ideal for service engineers and DIY maintenance

Compatible Boiler Models

• Suitable for use with all Grant oil and renewable heating systems, including:

  • Vortex and Vortex Pro ranges

  • Vortex Combi, Eco, and Blue models

  • Grant Air Source Heat Pumps and hybrid systems

If you're unsure about compatibility, contact our team and we'll help you match the part to your boiler.

When to Replace

• During annual boiler servicing

• If you notice leaks, bulges, or cracks in the existing hose

• When pressure faults are traced back to connection failure

• As part of a new expansion vessel installation

Technical Specifications

• Part Number: GCS02

• Length: Standard fitment for Grant boilers

• Material: Reinforced rubber/flexible braided hose

• Fittings: Compression/Threaded ends (pre-attached)

• Use Case: Connection between expansion vessel and heating circuit

• Approved Pressure Rating: Suitable for domestic heating systems