The robust construction UST-PWTG-H is used in all district heating networks with high requirements.

Thanks to the modular design of soldered or welded plate heat exchanger PWTG (district heat exchanger) are these suitable for family homes, apartment buildings through to commercial premises.


Plate heat exchanger          Stainless plates with copper solder 99,9% or stainless AISI 316

Max. operating conditions
  Pressure Temperature
Primary side
PN25 200°C
Secondary side
PN6 100°C


•    output from 15-1'000 kW (higher output on request)
•    including massive frame profile housing
•    including complete piping
•    including control unit with wiring


•    heat counter, differential pressure regulator / volume current limiting device, control points etc.
•    several heating groups
•    frame profile housing
•    isolation

Thermally optimized components

The modular design of plate heat exchanger and a technical optimization ensures that a temperature pitch of 3-5°C (depending on requirements) is reached.


•    short delivery times
•    easy service
•    modular construction
•    upgradeable to higher output
•    small space requirements


RemCal AG
Wilerstrasse 2180
CH-9230 Flawil
Phone +41 71 555 11 00

ConVacc AG
Wilerstrasse 2180
CH-9230 Flawil
Phone +41 71 394 14 80