DrainBloC® DN 20 (3⁄4")

Drain-back system

D

r

a

i

n

B

l

o

C

®

D

N

2

0

(

3⁄

4

"

)

Technical data

Equipment

PWM pump

Flow meter

Safety valve

Pressure gauge

Controller

Materials

Valves and fittings

DGaskets

Insulation

2-60 W, PWM control

0.5-10 l/min

6 bar

0-6 bar, resistant to high

temperatures

SC2.3

Brass

Klingersil / EPDM

EPP

Dimensions

Height container

Ø container

Total width

Width DrainBloC

Height DrainBloC

Centre distance

Total depth

603 mm

280 mm

at least 721 mm

334 mm

577 mm

var., min.400 mm

365 mm

288

01/2024 • Printed in Germany

PAW GmbH & Co. KG • info@paw.eu • www.paw.eu

Application range

● Drain-back system for small and medium solar thermal installations

Recommended application range

● Vapour and over-pressure formation as well as stagnation is avoided,

as there is no solar fluid in the collector field

Operating data

Max. operating pressure

Operating temperature

Head of the pump

Container volume

10 bar

95 °C, short-term

130 °C

14.5 m

20 l (usable up to

15 litres)