H
e
a
t
B
l
o
C
®
K
3
3
D
N
2
5
(
1
"
)
Technical data
HeatBloC® K33 DN 25 (1")
Dimensions
Nominal diameter
Connection generator
Connection consumer
Height
Installation length
Centre distance
Width
Materials
Valves and fittings
Gaskets
Insulation
DN 25 (1")
1
1⁄2" ext. thread, flat sealing
1" int. thread
383 mm
340 mm
125 mm
250 mm
Brass
EPDM
EPP
Application range
● Radiant floor heating systems from 3.5 kW / low-temperature heating
installations
Recommended application range
● up to 10 kW
● 10 K up to 860 l/h
Operating data
Max. operating pressure
Max. operating temperature
Kvs value
Adjustment range bypass
Adjusting range contact thermostat
Differential pressure diagram
6 bar
110 °C
3
0 - 50 %
20-60 °C
EEI*
< 0.17
< 0.20
< 0.23
< 0.20
< 0.20
< 0.20
= with actuator
with
Item no.
36073GH6
36073GM6
36073GL9
36073WP6
36073WP8
36073WN06
36073
Grundfos ALPHA2.1 25-60
Grundfos UPM3 Auto L 25-70
Grundfos UPML 25-105 AUTO
Wilo Para SC 25/6-43
Wilo Para SC 25/8-60/O
Wilo Yonos PICO 25/1-6
without pump - for pumps with 1
1⁄2" ext. thread x 180 mm
96
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu
= conversion to flow left (it.no. 999300)
= with pump
= without pump
*EEI = Energy Efficiency Index