Espar Airtronic S3 B2L Gasoline 12V RAM ProMaster kit with EasyStart Pro Controller

This gasoline 12V heater is purpose-built for ProMaster conversions and small RVs where space is tight and battery life matters. Enjoy fast warm-ups, steady overnight comfort, and quiet operation without idling.

• Efficient cabin heating on gasoline builds — no diesel tank required
• Low electrical draw (6–26 W) protects your house batteries off-grid
• Automatic altitude capability up to 13,120 ft (4,000 m) for mountain trips
• Compact body for flexible placement in van conversions and campers

• Fuel: Gasoline
• Voltage: 12V
• Max Heat Output: 6,800 BTU (2.0 kW)
• Fuel Consumption: 0.03–0.07 gal/h (0.14–0.26 l/h)
• Power Consumption: 6–26 W
• Max Altitude: 13,120 ft (4,000 m)
• Warranty: 2 years
• Dimensions (heater body): 12.2 × 4.5 × 4.8 in (310 × 115 × 122 mm)
• Certifications: ECE R122 (heating) & ECE R10 (EMC)

• RAM ProMaster (adapter for aux fuel tap included)
• Van conversions & camper builds — weekenders or full-time travel
• RVs & small motorhomes — quiet, efficient off-grid heat
• Truck sleepers & long-haul fleets — warm cabins without idling
• Construction, agricultural & industrial vehicles — cab heat during downtime
• Utility & emergency service vehicles — dependable heat on duty
• Electric & hybrid vehicles — efficient auxiliary heating solution

Not suitable for diesel applications or marine use.

• AS3 B2L 12V Gasoline Heater
• EasyStart Pro Controller
• Fuel pump (12v)
• Fuel hose
• Exhaust Silencer / Muffler
• Electrical harnesses - Plug n' Play
• Combustion intake pipe 1 meter
• Flexible ducting (60 mm. diameter) - 0.5 meter / 1.64 ft
• Inlet / Outlet grills - Adjustable FLAT, 45 degree grills
• Air outlet grill (60 mm. diameter) 
• Screws, clips and plastic straps required for installation
• Installation manual CD (Scan QR code for installation manual download)

The kit additionally includes the following:

• Specific RAM ProMaster Adapter for aux tap
• Pro controller extension 9.8 ft (3m)
• Floor mounting plate
• Stainless steel exhaust system - approx. 6.6 ft (2m)

• Technical Documentation
• Repair Instructions
• Spare Parts List

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.

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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.

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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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