Espar Website:
http://www.espar.com/htm/applies/marine.htm
The one that seems to fit our boats best:
http://www.espar.com/htm/Specs/airtronic4.htm
Brochure for Espar Marine heaters (Adobe PDF file):
http://www.espar.co.uk/images/MarineAir.pdf
Picture of an installed unit (Googled):

Heat Output -BTU/hr(KW/hr)
13,600 (4.0) Boost
10,200 (3.0) High
6,800 (2.0) Medium
3,400 (1.0) Low
Fuel Consumption - Gal/hr (L/hr)
Diesel 1, 2 or Kerosene
0.13 (0.51) Boost
0.10 (0.38 ) High
0.07 (0.25) Med.
0.03 (0.13) Low
Electrical Consumption - 12V model shown
3.3 amps (Boost)
2.0 amps (High)
1.1 amps (Med.)
0.6 amps (Low)
Air Throughput
85 cfm (Boost)
69 cfm (High)
50 cfm (Med)
30 cfm (Low)
Weight
9.9 lbs. (4.5 kg)
Dimensions
L= 14.6" (37 cm)
W= 5.5 " (14 cm)
H= 5.9" (15 cm)
They're made by the same folks who've made auxilliary VW and millitary heaters for ages, so they're not some Johnny-come-lately to the market.
Does anyone here have experience with these units, or have ever seen one installed in a boat?




