H
e
a
t
B
l
o
C
®
K
3
6
D
N
2
0
(
3⁄
4
"
)
Technical data
HeatBloC® K36 DN 20 (
3⁄4")
Item no.
Application range
● Return flow temperature maintenance for solid
and stove heating systems
Recommended application range
● up to 10 kW
● 10 K up to 860 l/h
Operating data
Max. operating pressure
Max. operating temperature
Kvs value
fuel boilers, wood firing
6 bar
110 °C
2.5
Dimensions
Nominal diameter
Connection generator
Connection consumer
Height
Installation length
Centre distance
Width
Materials
Valves and fittings
Gaskets
Insulation
Differential pressure diagram
DN 20 (
3⁄4")
3⁄4" int. thread
3⁄4" int. thread
385 mm
347 mm
90 mm
180 mm
Brass
EPDM
EPP
Grundfos ALPHA2.1 15-60
Grundfos UPM3 Auto L 15-70
Wilo Para SC 15/6-43
Wilo Yonos PICO 15/1-6
without pump - for pumps with 1" ext. thread x 130 mm
Grundfos ALPHA2.1 15-60
Grundfos UPM3 Auto L 15-70
Wilo Para SC 15/6-43
Wilo Yonos PICO 15/1-6
without pump - for pumps with 1" ext. thread x 130 mm
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
EEI*
< 0.17
< 0.20
< 0.20
< 0.20
< 0.17
< 0.20
< 0.20
< 0.20
with
320353GH6
320353GM6
320353WP6
320353WN06
320353
320373GH6
320373GM6
320373WP6
320373WN06
320373
88
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu
= with pump
= without pump
= with actuator
*EEI = Energy Efficiency Index