Part 2 – Specifications / Technical data
J K
Connection size (SI, Metric)
Connection size (Imperial)
Connection for condensate trap
3/4“ CPS (7/8“ outer diameter)
3/4“ CPS, (7/8“ outer diameter)
-Mains water supply for filling loop
1/2“ NPT outer pipe thread
Flow limiter (Cxxx types)
-Cold tap water (Cxxx types)
3/4“ CPS, (7/8“ inch outer
-Tank supply hot (Hxxx types)
3/4“ CPS, (7/8“ inch outer
-CH return and Tank Return (Hxxx
Concentric air supply / Flue gas
Concentric 80/125 – 60/100 mm
Concentric 3.2/4.9 – 2.4/3.9 inch
Not used (to be closed because of
use of concentric flue gas system)
Maximum absorbed electric
Input (0-2000 ft, gross calorific value)
Max Output (0-2000 ft) at 50/30 °C
Table 1.1 Technical specifications
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