Grant Relay Mpcbs72X External Units Only Orange

Grant Relay Mpcbs72X External Units Only Orange

The Grant Relay MPCBS72X (Orange) is a genuine OEM replacement relay designed specifically for use in Grant Vortex Pro external condensing combi boilers. This electrical relay controls essential boiler functions by managing power to components such as pumps, fans, and ignition circuits, ensuring reliable and efficient system operation.

Built to Grant’s original specification, the MPCBS72X relay provides stable electrical switching and long service life, even under continuous heating demand. It is colour-coded orange to differentiate it from other relay types used in internal models, ensuring correct identification and installation.

Key Features

• Genuine Grant relay – Part No. MPCBS72X (Orange)

• Designed for external Vortex Pro condensing combi boilers

• Provides reliable electrical switching and control

• Ensures safe operation of pumps, fans, and ignition systems

• Manufactured to OEM electrical and thermal standards

• Colour-coded orange for external unit compatibility

• Direct plug-in replacement for simple installation

• Suitable for domestic and light commercial oil boilers

Compatibility
This relay is compatible with the following Grant Vortex Pro condensing combi boilers:

• Grant Vortex Pro External Combi 21E

• Grant Vortex Pro External Combi 26E

• Grant Vortex Pro External Combi 36E

• Grant Vortex Pro Internal Combi 21E

• Grant Vortex Pro Internal Combi 26E

• Grant Vortex Pro Internal Combi 36E

Note: This version (orange) is specifically used in external units. Always check part colour and code before installation.

When to Replace

• If the boiler fails to start or respond electrically

• When the existing relay shows signs of overheating or failure

• During PCB diagnostics or replacement

Technical Specifications

• Manufacturer: Grant Engineering

• Part Number: MPCBS72X

• Type: Electrical relay (orange – external units only)

• Function: Controls electrical switching within the boiler

• Application: External Grant Vortex Pro condensing combi boilers