Water Plate Heat Exchanger for Espar / Eberspächer & Webasto Coolant Heaters

$519.99
Adding… The item has been added

Free U.S. Shipping on Orders $499+* Fast Dispatch North American Warranty included

Need help choosing the right product?

Get U.S.-based product support from vehicle HVAC experts. We can help with compatibility, product selection, installation, and troubleshooting. Contact an Expert

Availability:

Usually ships in 24 hours

Shipping:

Calculated at Checkout Most in-stock orders ship from our Costa Mesa, CA warehouse the same or next business day. Shipping options and taxes are calculated at checkout. View Shipping Details

Warranty:

Products include manufacturer-backed warranty coverage. Terms vary by product and brand. View Warranty Details

Returns:

Eligible unused items in their original packaging may be returned within 14 days of delivery. Terms and fees may apply. View Return Policy

Secure Checkout:

  • Mastercard
  • Visa
  • PayPal
  • Google Pay
  • Apple Pay
  • Venmo
  • Discover
  • American Express
  • Klarna

Core Features & Benefits

Water Plate Heat Exchanger for Espar / Eberspächer & Webasto Coolant Heaters

Product Overview

This water plate heat exchanger is designed for use with Espar / Eberspächer, Webasto, and similar coolant heaters, allowing efficient heat transfer from the heater coolant circuit to a separate fresh water circuit.

The exchanger is constructed with 22 internal plates, keeping coolant and fresh water fully separated while allowing both circuits to flow independently and efficiently heat domestic hot water. Suitable for replace 4111204.

PEX-A Compatibility

The 0.55 in (13.9 mm) outer diameter water connections are ideal for PEX-A expansion installations, ensuring a secure and reliable fit.

The thermostatic valve and connectors are pre-fitted for simplified installation.

Specifications

Dimensions (excluding connections)

  • Length: 12.40 in (315 mm)
  • Width: 2.91 in (74 mm)
  • Height: 8.19 in (208 mm)

Connections

  • Coolant Inlet: 3/4 in (19 mm) - Suitable for standard Webasto / Eberspächer coolant hoses

  • Coolant Outlet: 3/4 in (19 mm) - Suitable for standard Webasto / Eberspächer coolant hoses

  • Water Inlet: 1/2 in PEX-A (0.55 in OD / 13.9 mm) - Standard PEX-A expansion pipe size

  • Water Outlet: 1/2 in PEX-A (0.55 in OD / 13.9 mm) - Standard PEX-A expansion pipe size

Important Installation Note

Please note that the supplied connections use BSP threads and are designed to work only with the provided fittings to ensure correct functionality and safe operation.

Compatible Heaters

This plate heat exchanger is designed for use with a wide range of Eberspächer (Espar) and Webasto coolant heaters that use standard 3/4 in coolant hose connections.

Eberspächer (Espar) Hydronic Coolant Heaters

  • Hydronic II series
  • Hydronic III series
  • Hydronic S3 series
  • Other Eberspächer Hydronic models with standard 3/4 in coolant connections

Webasto Thermo Coolant Heaters

  • Thermo Top series (including newer variants)
  • Thermo Evo series
  • Thermo Pro series
  • Other Webasto Thermo heaters with standard 3/4 in coolant connections

Commonly Used With (Examples)

  • Eberspächer Hydronic S3 D5E / B5E
  • Eberspächer Hydronic S3 Commercial series
  • Eberspächer Hydronic II D5S
  • Webasto Thermo Top Evo 4 / 5+
  • Webasto Thermo Pro 50 / 90

Compatibility note: Suitability is based on heater coolant output and standard 3/4 in coolant hose sizing. This heat exchanger may also be used with other Eberspächer and Webasto or other heater brand coolant heaters not explicitly listed above.