Grant Heat Exchanger Mpcbs53 Combi V3 Max Vortex - Dhw

35 Plate Vortex 21 Supplied with washers

Grant Domestic Hot Water Heat Exchanger – MPCBS53

Genuine DHW Heat Exchanger for Grant Vortex Combi V3 Max Boilers

Restore efficient hot water performance in your Grant combi boiler with the Grant DHW Heat Exchanger – MPCBS53. This genuine Grant component is designed to deliver fast and consistent domestic hot water (DHW) by efficiently transferring heat from the primary boiler circuit to the hot water supply. Specifically manufactured for Grant Vortex Combi V3 Max boilers, the MPCBS53 is a vital part of your system’s hot water functionality.

Whether you're dealing with poor hot water flow, temperature fluctuations, or internal scaling, this OEM heat exchanger ensures reliable performance and a straightforward replacement.

Key Features & Benefits

• Genuine Grant Part – MPCBS53
  Manufactured to original specifications for a perfect fit and long-lasting operation in Grant Combi V3 Max boilers.

• Efficient Plate-Type Heat Exchange
  Transfers heat rapidly from the primary boiler side to the domestic hot water side for on-demand hot water.

• Essential for DHW Performance
  Critical component for delivering hot water quickly and at a consistent temperature.

• Corrosion-Resistant Construction
  Built from stainless steel or treated alloy to resist limescale and oxidation.

• Compact, Space-Saving Design
  Slim profile allows for easy fitting within the boiler casing.

• Easy Installation & Replacement
  Designed for a direct swap with existing part—ideal for heating engineers or experienced DIY users.

Compatible Grant Boiler Models

The MPCBS53 DHW Heat Exchanger is compatible with:

• Grant Vortex Combi V3 Max 26kW

• Grant Vortex Combi V3 Max 36kW

• May also suit other Vortex Pro Combi models (confirm with boiler manual or serial number)

Not sure if this part fits your boiler? Contact our expert support team with your model or serial number—we’ll confirm compatibility for you.

When Should You Replace the Heat Exchanger?

Replace the DHW heat exchanger if:

• Hot water output is inconsistent or fluctuating in temperature

• There is poor flow rate on the hot water tap side

• The existing heat exchanger is scaled, blocked, or leaking

• You're seeing cross-contamination (heating water entering the hot water side)

• As part of a major service or overhaul of an older combi unit

A compromised heat exchanger can lead to poor performance, customer complaints, or system strain—timely replacement keeps things running smoothly.

Technical Specifications

• Part Number: MPCBS53

• Manufacturer: Grant UK

• Type: Domestic hot water plate-type heat exchanger

• Material: Stainless steel or corrosion-resistant alloy

• Application: DHW circuit in oil-fired combi boilers

• Installation: Internal boiler-mounted component, connects to primary and DHW circuits

• Dimensions: Compact plate format (specific size varies by model)

• Flow Capacity: Rated for combi boilers up to 36kW