Heat Output kW

12-18

20-20+20-26

26-35

35-44+58

73

80-100

CONNECTIONS

 -

-

-

-

-

-

Heating Flow

1” BSP

1” BSP

1” BSP

1½” BSP

1½” BSP

2” BSP

Heating Return

1” BSP

1” BSP

1” BSP

1½” BSP

1½” BSP

2” BSP

Drain Off Valve

½” BSP

½” BSP

½” BSP

½” BSP

½” BSP

½” BSP

Condensate Trap

22mm dia. plastic

WATER CONTENT

 -

-

-

-

-

-

Boiler

24 litres

24 litres

24 litres

43.5 litres

54 litres

75 litres

FLUE

 -

-

-

-

-

-

Balanced Flue Assembly

125 (5”) mm dia.

125 (5”)  
mm dia.

125 (5”) mm dia.

150 (6”)
mm dia.

180 (7”) mm dia.

200 (8”) mm. dia.

Max. Low Level Flue Length

1.5 m

1.5 m

1.5 m

1.5 m

1.5 m

1.5 m

Max. High Level Balanced Flue Length

6 m

6 m

6 m

6 m

6 m

6 m

HEATING SYSTEM (SEALED)

Fit in accordance with BS 7074, Part 1, BS 5449, OFTEC standards and all other relevant legislation.

Preset Pressure Relief Valve

3 bar

WATER SIDE RESISTANCE

Flow rate to give a nominal output at 10K differential

Flow Rate Measured:

1642 kg/h (12-20kW), 2135 kg/h (20-26kW), 2874 kg/h (26-35kW), 3613 kg/h (36-44kW)
Waterside Resistance: 0.18 mbar (12-35kW), 0.22 mbar (36-44kW)

Flow rate to give a nominal output at 20K differential

Flow Rate Measured:
870 kg/h (12-20kW), 1131 kg/h (20-26kW), 1523 kg/h  (26-35kW), 2915 kg/h (36-44kW)
Waterside Resistance: 0.19 mbar (12-35kW), 0.24 mbar (36-44kW)

PRESSURE JET OIL BURNERS

ELCO FB 2 K LN 12-58kW and ELCO FB 3 K LN for 73kW and 100kW

FUEL

Kerosene 28 Second Class C2

ELECTRICAL SUPPLY

230V AC 50Hz 5A

TEMPERATURE CONTROL

Thermostats have an operating tolerance of + 4˚C.

Boiler Central Heating Control

60°C - 80°C 

Boiler Safety Limit

110°C

 Over-run - Fixed

 87°C