Application range
● Return flow temperature maintenance for solid fuel boilers, wood firing
and stove heating systems
Technical data
Dimensions
Nominal diameter
Connection generator
Connection consumer
Height
Installation length
Centre distance
Width
Materials
Valves and fittings
Gaskets
Insulation
= with pump
Differential pressure diagram
Recommended application range
● up to 40 kW
● 20 K up to 1725 l/h
Operating data
Max. operating pressure
Max. operating temperature
Kvs value
6 bar
110 °C
5.9
DN 25 (1")
1" int. thread
11⁄2" int. thread
383 mm
408 mm
125 mm
250 mm
Brass
EPDM
EPP
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
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
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 45 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
Opening temperature: 60 °C
EEI*
< 0.17
< 0.20
< 0.23
< 0.20
< 0.20
< 0.20
< 0.17
< 0.20
< 0.23
< 0.20
< 0.20
< 0.20
with
360343GH6
HeatBloC® K36E DN 25 (1")
Item no.
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu
= without pump
= with actuator
*EEI = Energy Efficiency Index
360343GM6
360343GL9
360343WP6
360343WP8
360343WN06
360343
360373GH6
360373GM6
360373GL9
360373WP6
360373WP8
360373WN06
360373
101
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t
B
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C
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K
3
6
E
D
N
2
5
(
1
"
)