Espar / Eberspacher Airtronic D4 Plus 12v (4kW) Heater Kit (D4S) - Image 01
Espar / Eberspacher Airtronic D4 Plus 12v (4kW) Heater Kit (D4S) - Image 01

Eberspacher / Espar

Espar / Eberspacher Airtronic D4 Plus 12v (4kW) Heater Kit (D4S)

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Shipping:

Most in-stock orders ship from our Costa Mesa, CA warehouse the same or next business day. View Shipping Details

Warranty:

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

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

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Core Features & Benefits

NOTICE: This 1st-gen Airtronic D4S has been superseded by the newer 2nd-gen Espar Airtronic AM3 D4R Kit

Espar / Eberspacher Airtronic D4+ Plus 12v Air Heater With Installation Kit D4S

Only marginally bigger than the D2, the Eberspacher D4 Plus has two times the heat output and slightly higher fuel consumption, perfect for larger RVs and vans.

Technical Specifications:

Fuel type: Diesel

Voltage: 12 Volts

Max Power: 13,650 BTU (4kW)

High: 10,200 BTU (3kW)

Medium: 6,800 BTU (2kW)

Low: 3,400 BTU (0.9kW)

Contents:

  • Espar / Eberspacher Airtronic D4 12v Heater
  • Fuel pump (12v)
  • Fuel hose
  • Fuel T piece kit
  • Exhaust Silencer
  • Electrical harnesses
  • Stainless steel exhaust pipe
  • Combustion intake pipe 
  • Flexible ducting 
  • Inlet / Outlet grills
  • Air outlet
  • Screws, clips and plastic straps required for installation
  • Installation manual CD
  • Warranty documentation 

Ideal for heating:

  • Truck /Semi-truck  Lorry (Bunk, Sleeper heater)
  • Van , Van conversion
  • Campervan , Camper
  • Caravan
  • Horse Box
  • Mobile Workshop
  • Boat (requires marine kit)
  • Military / Army applications 
  • Emergency vehicles
  • Construction machinery

Espar / Eberspacher Part Number:

  • 252484050000 / 25.2484.05.0000 / 25.2484.05.00.00 Airtronic D4+ Plus (Heater)
  • 252113800000 / 25.2113.80.00.00 / 25.2113.80.0000 (Installation kit)

If you want to use this heater in a boat, you will need a marine installation kit. You can add it to your order at the bottom of this page. Please click here to see what is included in the marine installation kit.

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