Grant Water Pressure Switch Upgrade Kit Internal Mpcbs62

Suitable for: Vortex Pro Internal, Vortex Eco Internal, Vortex Eco Wall Hung

Grant Water Pressure Switch Upgrade Kit (Internal) – MPBS62/A

Genuine Internal Water Pressure Switch Upgrade Kit for Grant Oil Boilers

The Grant MPBS62/A Water Pressure Switch Upgrade Kit is a genuine Grant internal pressure switch kit, designed to enhance monitoring and control of water pressure within compatible Grant oil-fired boilers. This upgrade improves the system's safety by enabling better detection of low-pressure conditions, helping prevent boiler lockouts and protecting internal components from running dry.

This comprehensive upgrade kit is ideal for replacing older or non-serviceable pressure switch assemblies and includes everything needed for a reliable retrofit on selected Grant internal boiler models.

 Key Features & Benefits

• Official Grant OEM Upgrade Kit – MPBS62/A
  Manufactured and approved by Grant for full compatibility and reliable operation.

• Improved Water Pressure Monitoring
  Enhances boiler protection by accurately detecting low system pressure and triggering safety shutdown if needed.

• Pre-Assembled Internal Kit
  Supplied with necessary wiring, switch, bracket, and fixings for fast and simple internal installation.

• Reduces Risk of System Damage
  Prevents pump or heat exchanger failure by ensuring the boiler doesn’t operate with insufficient water pressure.

• Ideal for Retrofitting & Repairs
  Designed to replace outdated or faulty switches and bring older systems up to current performance standards.

• Restores Efficiency & Reliability
  Helps maintain consistent boiler operation and avoids pressure-related faults or lockouts.

 Compatible Grant Boiler Models

The MPBS62/A Water Pressure Switch Upgrade Kit is suitable for:

• ? Grant Vortex Internal Combi Boilers (select models)

• ? Grant Vortex Eco and Utility Boilers where an internal pressure switch retrofit is specified

Need help checking if this part suits your boiler? Just share your model or serial number and we’ll confirm compatibility.

 When to Upgrade or Replace the Pressure Switch

Upgrade or replace your water pressure switch using the MPBS62/A kit if:

• Your boiler frequently locks out due to low pressure

• The current pressure switch is non-functional or intermittently faulty

• You're upgrading your system to enhance pressure control and monitoring

• You’re servicing or refurbishing an older boiler

A functioning pressure switch is critical to maintaining safe operation and protecting high-value components in sealed systems.

 Technical Specifications

• Part Number: MPBS62/A

• Manufacturer: Grant UK

• Component Type: Internal water pressure switch upgrade kit

• Contents: Pressure switch, wiring harness, mounting bracket, fixings

• Installation: Internal retrofit (must be installed by a qualified person)

• Application: Monitoring and regulating low water pressure in sealed heating systems

• Switch Rating: Typically triggers at 0.3–0.5 bar (check boiler manual for exact spec)