Grant Tundish 15X22Mm & Plast Ic Nuts - Post Nov 2010 Gcs10

All models post Nov 2010, up 300lt pre Nov 2010

Grant Tundish 15x22mm with Plastic Nuts – GCS10

Part Number: GCS10
Suitable for Grant Cylinders (Post-Nov 2010 Models)

The Grant GCS10 Tundish 15x22mm is a critical safety component designed for use with Grant unvented hot water cylinders manufactured after November 2010. It serves as a visual and physical point of discharge for pressure and temperature relief valves, enabling quick detection of faults or over-pressurisation in your system.

Featuring 15mm inlet and 22mm outlet connections and durable plastic compression nuts, this tundish ensures a safe and compliant connection between the safety valve and discharge pipework in accordance with Building Regulation G3.

Key Features

• Genuine Grant spare part – designed specifically for post-Nov 2010 models

• Visual fault detection – see if the TPR valve is discharging

• Compatible with 15mm pressure relief inlet and 22mm discharge pipework

• Supplied with plastic compression nuts for quick and reliable installation

• Meets G3 Building Regulations for unvented hot water safety

• Lightweight and corrosion-resistant plastic construction

• Quick to fit and maintain – ideal for replacements and upgrades

Compatible With

• Grant unvented cylinders produced after November 2010, including:

  • Grant Wave

  • Grant DuoWave

  • Other compatible Grant cylinders featuring 15mm PRV outlets and 22mm discharge lines

If you're unsure about the model or date of manufacture, our support team can help verify the correct part.

When to Replace

• During annual maintenance or G3 inspections

• If the tundish becomes blocked, damaged, or leaks

• When replacing a Temperature & Pressure Relief Valve (TPRV)

• If installing a new cylinder or modifying discharge pipework

Technical Specifications

• Part Number: GCS10

• Inlet Size: 15mm compression

• Outlet Size: 22mm compression

• Material: Durable plastic body with compression nuts

• Included: Tundish body + plastic compression nuts

• Application: For use with unvented hot water cylinders (post-2010)

• Regulatory Compliance: G3 Building Regulations