Grant 6 Bar Pressure Relief Gc S34 Valve Compression Fitting

Post Nov 2010

Grant 6 Bar Pressure Relief Valve – Compression Fitting (GCS34)

Part Number: GCS34
Essential Safety Component for Grant Hot Water Cylinders and Sealed Heating Systems

The Grant GCS34 6 Bar Pressure Relief Valve with compression fitting is a critical safety device designed to protect sealed hot water systems and cylinders from excess pressure. This high-performance valve automatically discharges water when pressure rises above 6 bar, ensuring the system operates safely and efficiently.

Ideal for both new installations and replacement projects, the GCS34 is engineered to meet Grant’s robust specifications and offers simple integration with existing pipework thanks to its easy-to-install compression fitting. It is suitable for use across a wide range of Grant cylinders and sealed system configurations.

Key Features

• 6 bar pressure rating – provides dependable pressure control and system protection

• Compression fitting for quick, secure, and tool-free installation

• Durable brass body construction resists corrosion and wear

• Factory-calibrated spring mechanism for consistent performance

• Genuine Grant component for full compatibility and reliability

• Helps prevent overpressure damage and improves system safety

Compatible Models

• Compatible with all Grant hot water cylinders using sealed systems

• Suitable for Grant heating systems with 6 bar safety requirement

• Typically used in domestic and light commercial sealed hot water systems

When to Replace the Pressure Relief Valve

• If the valve is constantly dripping or leaking

• During annual servicing or safety checks

• After activation due to system overpressure

• If the valve shows signs of corrosion or mechanical wear

• As part of a safety component upgrade or system overhaul

Technical Specifications

• Part Number: GCS34

• Pressure Setting: 6 bar

• Connection Type: Compression fitting

• Body Material: Brass

• Function: Overpressure safety valve for sealed systems

• Orientation: Standard vertical fitment

• Application: Heating systems and hot water cylinders