Eberspacher / Espar

Espar / Eberspacher Hydronic S3 B4E CS 12V Gasoline Water Heater Kit with Pro controller

$1,200.00
Core Features & Benefits
  • Features & Benefits
  • Experience warmth and comfort even on the coldest days, so you can drive in comfort.
  • Features & Benefits
  • Save time and effort with the easy-to-install design, getting you on the road faster.
  • Features & Benefits
  • Whether on land or sea, enjoy efficient heating wherever your adventures take you.
  • Features & Benefits
  • Reduce fuel consumption and engine wear by smooth starts and preheating.
Select additional options (Optional):
Extended Warranty for Peace of Mind:
Warranty Information
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Calculated at Checkout
Availability:
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  • Free Shipping in US
    on orders $499
  • 24/5 Customer Support
    Shop with an expert
  • Easy Returns
    14-day Returns
  • Free Shipping in US
    on orders $499
  • 24/5 Customer Support
    Shop with an expert
  • Easy Returns
    14-day Returns

INTRODUCING EFFICIENT ESPAR HYDRONIC S3 B4E CS GASOLINE WATER HEATER

Upgrade your vehicle with the Espar Hydronic S3 B4E CS Gasoline Water Heater for efficient heating on cold days. Enjoy fast pre-heating, smooth engine starts, and clear windows for safer driving.

Its compact size, flexible installation options, and included EasyStart Pro controller make it perfect for both vehicles and marine applications.

FEATURES OF ESPAR HYDRONIC S3 B4E GASOLINE WATER HEATER

Quickly warm up your vehicle's interior, ensuring comfort right away.

EasyStart Pro controller is included, featuring an integrated temperature sensor.

Its small size allows for easy installation in a wide range of vehicles and marine applications.

With an output ranging from 1800 to 4300 watts, it's suitable for various vehicle sizes and heating needs.

Quickly warm up your vehicle's interior, ensuring comfort right away.

EasyStart Pro controller is included, featuring an integrated temperature sensor.

Its small size allows for easy installation in a wide range of vehicles and marine applications.

With an output ranging from 1800 to 4300 watts, it's suitable for various vehicle sizes and heating needs.

EXPERIENCE COZY COMFORT EVERYWHERE

Enjoy a warm and inviting cabin environment, no matter the weather outside. The Espar Hydronic S3 B4E ensures a comfortable journey, whether you're on land or sea.

With its advanced heating technology, heat is evenly distributed throughout the vehicle, creating a cozy atmosphere for passengers.

EFFICIENT ENGINE PRE-HEATING

Put an end to cold starts and engine struggles. This Hydronic engine heater provides quick interior pre-heating and engine pre-heating, improving safety and performance while minimizing fuel consumption.

With its low fuel consumption, you not only save money on gas but also reduce your carbon footprint, contributing to a greener planet.

EFFORTLESS WINDOW DEFROSTING

Clear frost and ice from your windows in no time. With the S3 B4E Espar Hydronic heater, you can enjoy clear visibility with no scraping or waiting, saving valuable time and energy.

Its powerful heating elements work efficiently to melt away frost and ice, guaranteeing you're always ready to hit the road.

VARIOUS INSTALLATION OPTIONS

Install the Hydronic S3 B4E easily in a wide range of vehicles and marine applications. Its compact size and flexible design make it perfect for any setting.

Whether you're upgrading your RV for a cross-country trip or heating your boat for extended adventures, the Hydronic S3 B4E delivers reliable performance wherever you go.

  • Hydronic B4E 12V heater with mounting bracket
  • EasyStart Pro Timer controler
  • Coolant pump with mopunting bracket
  • Fuel metring pump with mounting accesories
  • Wiring harness
  • Coolant pump harness
  • Water connection sockets (x2)
  • Fuel Standpipe and fuel line
  • Silencer / muffler with Z shape bracket
  • Exhaust Hose - 900mm / 35.4 inch and 300mm / 11.8 inch with end cap
  • Coolant hose
  • Air intake silencer - 760 mm / 29.9 inch
  • Mounting accesories - cable ties, clamps, screws, etc.

Technical Specifications of the Espar / Eberspacher Hydronic S3 B4E CS 12V Gasoline Water Heater Kit with Pro controller

Part Number:
252933050000 / 252992050000 / 25.2933.05.0000 / 25.2933.05.00.00
Fuel:
Gasoline
Voltage:
12V
Heat flow:
6141 - 14672 BTU (1.8 - 4.3 kW)
Fuel consumption:
0.06 - 0.15 gal/h (0.23 - 0.57 l/h)
Electrical power consumption:
7 - 24 W
Weight:
4.4 lb (2 kg)

Included in the kit:

INTRODUCING EFFICIENT ESPAR HYDRONIC S3 B4E CS GASOLINE WATER HEATER

Upgrade your vehicle with the Espar Hydronic S3 B4E CS Gasoline Water Heater for efficient heating on cold days. Enjoy fast pre-heating, smooth engine starts, and clear windows for safer driving.

Its compact size, flexible installation options, and included EasyStart Pro controller make it perfect for both vehicles and marine applications.

FEATURES OF ESPAR HYDRONIC S3 B4E GASOLINE WATER HEATER

Quickly warm up your vehicle's interior, ensuring comfort right away.

EasyStart Pro controller is included, featuring an integrated temperature sensor.

Its small size allows for easy installation in a wide range of vehicles and marine applications.

With an output ranging from 1800 to 4300 watts, it's suitable for various vehicle sizes and heating needs.

Quickly warm up your vehicle's interior, ensuring comfort right away.

EasyStart Pro controller is included, featuring an integrated temperature sensor.

Its small size allows for easy installation in a wide range of vehicles and marine applications.

With an output ranging from 1800 to 4300 watts, it's suitable for various vehicle sizes and heating needs.

EXPERIENCE COZY COMFORT EVERYWHERE

Enjoy a warm and inviting cabin environment, no matter the weather outside. The Espar Hydronic S3 B4E ensures a comfortable journey, whether you're on land or sea.

With its advanced heating technology, heat is evenly distributed throughout the vehicle, creating a cozy atmosphere for passengers.

EFFICIENT ENGINE PRE-HEATING

Put an end to cold starts and engine struggles. This Hydronic engine heater provides quick interior pre-heating and engine pre-heating, improving safety and performance while minimizing fuel consumption.

With its low fuel consumption, you not only save money on gas but also reduce your carbon footprint, contributing to a greener planet.

EFFORTLESS WINDOW DEFROSTING

Clear frost and ice from your windows in no time. With the S3 B4E Espar Hydronic heater, you can enjoy clear visibility with no scraping or waiting, saving valuable time and energy.

Its powerful heating elements work efficiently to melt away frost and ice, guaranteeing you're always ready to hit the road.

VARIOUS INSTALLATION OPTIONS

Install the Hydronic S3 B4E easily in a wide range of vehicles and marine applications. Its compact size and flexible design make it perfect for any setting.

Whether you're upgrading your RV for a cross-country trip or heating your boat for extended adventures, the Hydronic S3 B4E delivers reliable performance wherever you go.

  • Hydronic B4E 12V heater with mounting bracket
  • EasyStart Pro Timer controler
  • Coolant pump with mopunting bracket
  • Fuel metring pump with mounting accesories
  • Wiring harness
  • Coolant pump harness
  • Water connection sockets (x2)
  • Fuel Standpipe and fuel line
  • Silencer / muffler with Z shape bracket
  • Exhaust Hose - 900mm / 35.4 inch and 300mm / 11.8 inch with end cap
  • Coolant hose
  • Air intake silencer - 760 mm / 29.9 inch
  • Mounting accesories - cable ties, clamps, screws, etc.

Choosing Guide

Option Choosing Guide for this product is coming soon, please contact support@heatso.com 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.

View full Returns & Refunds information

Warranty Information

Most heaters come with 2 year warranty + optional 1 year extended Warranty available

  • Parts - 1 Year Warranty
  • Refrigerators - 1 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.

View full warranty Information

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