Espar / Eberspacher Hydronic HS3 Heat Exchanger Seal Kit
Genuine Espar / Eberspacher heat exchanger cover seal kit for Hydronic HS3 water heaters. This replacement gasket ensures a proper seal between the heat exchanger and cover assembly, preventing coolant leaks and maintaining correct heater performance.
Part Numbers
- 252652990105
- 25.2652.9901.05
- 25.2652.99.01.05
- 25 2652 9901 05
- 25 2652 99 01 05
Fits the Following Heaters
- Hydronic HS3 B4E
- Hydronic HS3 D4E
- Hydronic HS3 B5E
- Hydronic HS3 D5E
- Hydronic S3 CL (Diesel versions only)
- Hydronic S3 CS (Diesel versions only)
Important Compatibility Information
IMPORTANT! his seal kit is not compatible with the following heaters:
- B4E 20.1963.05
- D4E 25.1994.05
- D4E 25.2049.05
- B5E 20.1952.05
- D5E 25.1993.05
- D5E 25.2048.05
If you have one of the above heaters, you will require an alternative seal kit part number 20.1952.99.0105.
Product Overview
The heat exchanger cover seal is critical for maintaining coolant integrity and ensuring efficient heat transfer within the Hydronic HS3 unit. Over time, seals can degrade due to thermal cycling and exposure to coolant, leading to leaks or reduced heater efficiency. Replacing the gasket during servicing helps maintain reliable heater operation.
Key Features
- Genuine Eberspacher replacement part
- Designed specifically for Hydronic HS3 water heaters
- Ensures proper sealing of the heat exchanger cover
- Prevents coolant leaks and performance issues
- Direct-fit replacement
Specifications
- Product Type: Heat Exchanger Cover Seal Kit
- Heater Type: Hydronic (Water Heater)
- Manufacturer: Eberspacher
Technical Specifications of the Eberspacher / Espar Hydronic HS3 Heat Exchanger Cover Seal / Gasket
- Parts type:
- Service parts
Included in the kit:
Espar / Eberspacher Hydronic HS3 Heat Exchanger Seal Kit
Genuine Espar / Eberspacher heat exchanger cover seal kit for Hydronic HS3 water heaters. This replacement gasket ensures a proper seal between the heat exchanger and cover assembly, preventing coolant leaks and maintaining correct heater performance.
Part Numbers
- 252652990105
- 25.2652.9901.05
- 25.2652.99.01.05
- 25 2652 9901 05
- 25 2652 99 01 05
Fits the Following Heaters
- Hydronic HS3 B4E
- Hydronic HS3 D4E
- Hydronic HS3 B5E
- Hydronic HS3 D5E
- Hydronic S3 CL (Diesel versions only)
- Hydronic S3 CS (Diesel versions only)
Important Compatibility Information
IMPORTANT! his seal kit is not compatible with the following heaters:
- B4E 20.1963.05
- D4E 25.1994.05
- D4E 25.2049.05
- B5E 20.1952.05
- D5E 25.1993.05
- D5E 25.2048.05
If you have one of the above heaters, you will require an alternative seal kit part number 20.1952.99.0105.
Product Overview
The heat exchanger cover seal is critical for maintaining coolant integrity and ensuring efficient heat transfer within the Hydronic HS3 unit. Over time, seals can degrade due to thermal cycling and exposure to coolant, leading to leaks or reduced heater efficiency. Replacing the gasket during servicing helps maintain reliable heater operation.
Key Features
- Genuine Eberspacher replacement part
- Designed specifically for Hydronic HS3 water heaters
- Ensures proper sealing of the heat exchanger cover
- Prevents coolant leaks and performance issues
- Direct-fit replacement
Specifications
- Product Type: Heat Exchanger Cover Seal Kit
- Heater Type: Hydronic (Water Heater)
- Manufacturer: Eberspacher
Choosing Guide
Option Choosing Guide for this product is coming soon, please contact [email protected] if you need help picking the right options or have any questions.
Shipping
- United States - 1-5 Working Days
- United Kingdom - 2-5 Working Days
- European Union - 2-7 Working Days
- Australia / New Zealand - 5-14 Working Days
- Rest of World - 5-14 Working Days
There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.
View full shipping & Delivery information
Returns
You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.
Warranty Information
Most heaters come with 2 year warranty + optional 1 year extended Warranty available
- Parts - 1 Year Warranty
- Refrigerators - 2 Year Warranty
- AC Systems - 1 Year Warranty
- Heavy duty heating equipment (10 kW+) - 1 Year Warranty
- Other items - 1 Year Warranty
Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.
We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.
If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.
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