Pressure relief valve with pressure gauge up to 50 kW
The diaphragm pressure relief valve is only activated when the thermostats of the boiler
have failed. In this case the pressure relief valve can let the entire heating capacity of the
boiler escape in the form of hot water and vapour.
S
a
f
e
t
y
s
e
t
s
a
n
d
h
e
a
t
i
n
g
e
q
u
i
p
m
e
n
t
Flush and drain set DN 32 (
1⁄4")
2 x counter-T-pieces 1
1⁄4" with fill and drain valve, each equipped with an extension
piece, permits to flush and drain individual HeatBloC®s.
Careful: Flush and drain set is not compatible with the HeatBloC® MC system!
5241
Flush and drain set DN 20 (
3⁄4")
2 x counter-T-pieces
3⁄4" with fill and drain valve, each equipped with an extension piece,
permits to flush and drain individual HeatBloC®s.
3161
Flush and drain set DN 25 (1")
2 x counter-T-pieces 1" ext. thread x 1" int. thread with fill and drain valve, each equipped
with an extension piece, permits to flush and drain individual HeatBloC®s.
Careful: Flush and drain set is not compatible with the HeatBloC® MC system!
3461
3761
Dial thermometer 0-120 °C, with blue scale
- Measuring range 0-120 °C,
- immersion shaft 25 mm, with self-sealing immersion sleeve,
- d = 50 mm
21721
Pressure gauge
3⁄8" d = 50 mm
Pressure gauge with automatic isolation,
measuring range: 0-4 bar
diameter: d = 50 mm
shut-off valve: 1⁄2" x 3⁄8"
523204
Automatic air vent 1⁄2" external thread
Automatic air vent, vertical, with automatic shut-off valve
The automatic air vent eliminates air residues in the circuit of heating installations
without that any manual operation is necessary.Undesired effects such as noises, wear of
hydraulic components and reduced performance of radiators are thus prevented.
5235
Counter cross DN 25 (1")
Connection top: 1" external thread, self-sealing with o-ring and counter nut
Connection bottom: 1" internal thread
Connections side:
3⁄4" internal thread
Connection front:
3⁄8" internal thread
5251
Counter elbow
3⁄4" external thread, self-sealing with O-ring and counter nut
1⁄2" external thread, self-sealing with O-ring and counter nut
5252
206
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu
Dial thermometer 0-120 °C, with red scale
Automatic air vent 3⁄8" external thread
21711
5234