50 RS
60 RS
Heat Input
Max
Min
kW
18.32
15.02
Btu/h
62,500
51,250
Heat Output
Max
Min
kW
14.65
12.02
Btu/h
50,000
41,000
Burner Pressure
Max
Min
mbar
16.3 + 0.5
11.2 + 0.5
in wg
6.5 + 0.2
4.5 + 0.2
Gas Connection
RC
1
/
2
(
1
/
2
in BSPT)
Electrical Supply
230V~50Hz
fused 3A
Controls
on/off boiler thermostat
with pilot/thermocouple
cut
out/overheat
thermostat on fully
pumped applications only
Heat Exchanger
cast iron monobloc
Lifting Weight
37.3 kg (82.1 lbs)
Water Content
2.1 litres (0.46 gals)
Static Head
Max
Min
metres
30
1
feet
100
3.25
Low Head
Min 0.15m (6in)
System Design
gravity hot water fully
pumped open vented
and sealed systems
Connections
2 x 22mm and a kit for
gravity
Gas Rate
(after 10 mins)
1.75m
3
/h (61.6ft
3
/h)
Outercase
Height
600mm
Dimensions
Width
420mm
Depth
287mm
Flue Terminal
Height
208mm
Dimensions
Width
293mm
Depth
173mm
Heat Input
Max
Min
kW
21.98
18.68
Btu/h
75,000
63,750
Heat Output
Max
Min
kW
17.58
14.95
Btu/h
60,000
51,000
Burner Pressure
Max
Min
mbar
16.0 + 0.5
12.0 + 0.5
in wg
6.4 + 0.2
4.8 + 0.2
Gas Connection
RC
1
/
2
(
1
/
2
in BSPT)
Electrical Supply
230V~50Hz
fused 3A
Controls
on/off boiler thermostat
with pilot/thermocouple
cut
out/overheat
thermostat on fully
pumped applications only
Heat Exchanger
cast iron monobloc
Lifting Weight
37.3 kg (82.1 lbs)
Water Content
2.1 litres (0.46 gals)
Static Head
Max
Min
metres
30
1
feet
100
3.25
Low Head
Min 0.15m (6in)
System Design
gravity hot water fully
pumped open vented
and sealed systems
Connections
2 x 22mm and a kit for
gravity
Gas Rate
(after 10 mins)
2.09m
3
/h (74.0ft
3
/h)
Outercase
Height
600mm
Dimensions
Width
420mm
Depth
287mm
Flue Terminal
Height
208mm
Dimensions
Width
293mm
Depth
173mm
50
50
5
5
300
80
for
ravity
for
servicing
5
inside
cupboard
Clearances
50
50
5
5
300
80
for
ravity
for
servicing
5
inside
cupboard
Clearances
NOTE: On gravity applications a clearance
of 80mm (3
1
/
8
in) is required from the top
panel
NOTE: On gravity applications a clearance
of 80mm (3
1
/
8
in) is required from the top
panel
7
