Grant Probe Mpcbs97 Sensor Vortex C/H

probe and MPCBS97X = MPCBS54X Comb V3, Vortex Pro Combi post Sept 2008 BLACK

Grant Sensor Probe – MPCBS97

Genuine Central Heating Sensor Probe for Grant Vortex Boilers (C/H Sensor)

The Grant MPCBS97 Sensor Probe is a genuine OEM central heating temperature sensor designed for use in Grant Vortex condensing oil boilers. Also referred to as the C/H (Central Heating) Sensor, this probe plays a crucial role in accurately monitoring the central heating flow temperature, ensuring the boiler maintains consistent and efficient operation.

If your boiler is displaying temperature-related fault codes, running at incorrect temperatures, or failing to modulate correctly, a faulty or degraded sensor may be the cause. The MPCBS97 probe offers a reliable, like-for-like replacement that helps restore your boiler to optimal performance.

Key Features & Benefits

• Official Grant OEM Part – MPCBS97
  Fully approved by Grant for use in a wide range of Vortex boilers—ensures perfect fit and function.

• Precision Temperature Monitoring
  Accurately reads the central heating water temperature to inform boiler modulation and safety systems.

• Restores Efficient Heat Control
  Helps ensure central heating output matches system demand—improving efficiency and user comfort.

• Robust Sensor Construction
  Designed for long-term performance in high-moisture, high-temperature boiler environments.

• Quick and Easy Replacement
  Simple plug-and-play style fitting for easy installation during service or repair.

Compatible Grant Boiler Models

The MPCBS97 Sensor Probe is compatible with various Grant Vortex models, including:

• ? Grant Vortex Combi 21 / 26 / 36kW

• ? Grant Vortex Utility and System Boilers

• ? Grant Vortex Pro & Eco models (selected versions)

Not sure if this sensor fits your boiler? Send us your model number or serial code and we’ll confirm compatibility.

 When to Replace the Sensor Probe

Replace the MPCBS97 C/H Sensor if:

• The boiler shows flow temperature errors or lockouts

• Heating is slow to warm up or overshooting target temperature

• There are intermittent heating faults related to system control

• You're conducting a PCB or control system replacement where the sensor is also due for renewal

A faulty or inaccurate sensor can lead to inefficiency, discomfort, and boiler malfunction—timely replacement ensures consistent operation.

 Technical Specifications

• Part Number: MPCBS97

• Manufacturer: Grant UK

• Component Type: Central heating temperature sensor (NTC probe)

• Function: Monitors central heating flow temperature

• Connection Type: Plug connector with lead (model-specific)

• Compatibility: Grant Vortex boilers (combi, utility, pro, and eco)

• Location: Typically inserted into the flow pipe or heat exchanger pocket

• Temperature Range: Sensor rated for typical boiler operating conditions (up to ~90°C)