Spare Parts diagram for:
186.42, 186 42, 18642, 18642.48, 18642.49, 18642.53
It has two 8 inch burners. The coal effect for this model is no longer available neither is the aquastat heat control unit, the manufacturers no longer exist.
Width 730mm x Height 780mm x Depth 500mm  Height to centre line of rear flue 575mm
Total heat output 17kW 
Minimum room heating one burner 1.5kW 
Maximum room heating 5kW
Maximum water heating 12kW 
Oil valve: CI twin top. 
Minimum oil consumption 1 burner 0.33L/hr 
Minimum oil consumption 2 burner 0.66L/hr 
Maximum oil consumption 2 burner 2.1L/hr 
This stove had to be run on a fully pumped system with the pump running continuously.
1.

2.

Servicing oil units
Efel Harmony 3 Thermical Parts List
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