Model
Time taken to raise tempera
ture
from 15˚C to 65
˚
C
Time taken to raise 70% of the
stored volume to 65
˚
C
STI/STI ProTech 125***
15 mins
13 mins
STI/STI ProTech 210***
24 mins
21 mins
ITI 125***
?? mins
?? mins
ITI 300***
?? mins
?? mins
High Capacity 500 STI***
44 mins
38 mins
Contract STD 100
2 hrs 30 mins
1 hr 15 mins
Contract STD 210
Contract STD 300****
1 hr 58 mins
2 hr 47 mins
1 hr 39 mins
1 hr 45 mins
*** Indirectly heated. Figures obtained by WRc-NSF Limited in accorda
nce with Test Criter
ia 1-50-220 & 1-50-2
22.
**** With 4kW upgrade kit
fitted. Figures obtained
by WRc-NSF Limited i
n accorcdance with Test Criteria 1-50
-220 & 1-50-222.
ST ProTech
50*
**
63
mins
33
mins
ST ProTech 1
00
***
1 hr 56 mins
72 mins
Maximum Water Supply Pressure* bar
Oper
ating Pressure
bar
Expansion
V
essel Charge Pressure
bar
Expansion Relief Valve Setting bar
Pressure &
Temperature Relief Valve Setting bar/°C
Pressure Reducing
V
alv
e Set Pressure
bar
Electr
ical Supply
V
Immersion Heater Rating kW
Immersion Heater Length
mm
Immersion Heater
T
ype
Immersion Heater Refernce Number
Direct Reheat
Time
(Single Immersion Heater) (∆T 50
°
C) mins
Maxim
um Pr
imar
y Pressure bar
Indirect Coil Rating kW
Coil Surface Area m
2
Indirect Reheat Time (∆T 50°C)** mins
Heat Loss (kWh in 24h) @ 60
°
C
Nett Weight Kg
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www.tradeplumbing.co.uk Call Sales On 08708034288