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RVS Buffertank PWT-100H

Nexus PWT horizontal 100 litre Duplex 2205 buffer tank with hygienic Duplex 2205 inner tank, anti-cycling buffer function, thermal storage function and electric-boiler-ready design with heating element.


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Cost overview
  • € 549,61
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RVS Buffertank PWT-100H

RVS Buffertank PWT-100H: Stainless Steel Buffer Tank for Heat Pumps

The RVS Buffertank PWT-100H is a stainless steel buffer tank for heat pump systems, central heating installations and professional HVAC applications. It increases system volume, helps reduce cycling and supports more stable hydraulic operation.

Stainless Steel Construction and Reliable Thermal Storage

The tank is manufactured from Duplex 2205 stainless steel and designed for long-term use in technical installations. The combination of stainless steel, PU insulation and practical connection options makes this model a durable buffer solution for installers.

Energy Efficiency Class A and PU Insulation

With Energy Efficiency Class A, the high-quality PU insulation helps reduce heat loss, keeps stored heat at temperature for longer and supports lower energy consumption in heat pump and heating systems. This makes the Nexus stainless steel buffer range an efficient choice for reliable thermal storage, buffer volume and long-term energy savings.

Hydraulic Stability for Heating Systems

By adding buffer volume, the heating system can operate more smoothly. This supports stable flow, less frequent start-stop operation of the heat source and reliable long-term system performance.

Key Features

  • Energy Efficiency Class A
  • Manufactured from Duplex 2205 stainless steel
  • High-quality PU insulation to help reduce heat loss
  • Designed for installers, resellers and HVAC professionals
  • Increases system volume and improves hydraulic stability
  • Suitable for heat pump and heating systems

Specifications

Technical data - PWT-100H

General
Product typeDuplex 2205 stainless steel buffer tank / electric boiler-ready vessel
Rated volume100 L
ApplicationHeat pump and heating systems / anti-cycling buffer, thermal storage and optional electric boiler use
Installation typeHorizontal installation
Connection layoutHorizontal side connections
Width [mm]995
Tilt dimension [mm]1100
Outer diameter [mm]470
Inner diameter [mm]370
InsulationCFC-free rigid PU foam
Insulation thickness [mm]50
Outer casingFrosted metal, light grey
Weight [kg]22
Warranty5 years
Tank
Tank materialStainless steel Duplex 2205
Max. tank pressure [bar]6
Max. tank temperature [deg C]95
Connections
BWidth995 mm
ØDOuter diameter470 mm
ØdInner diameter370 mm
MDN 14G 3/4"P&T safety valve498 mm
PDN 16G 3/4"Drain tap55 mm
KDN 9G 1 1/4"Hot water outlet345 mm
FDN 3G 1 1/4"Free connection270 mm
EDN 4G 1 1/4"Free connection180 mm
GDN 8G 1 1/4"Cold water inlet105 mm
IDN 6G 1 1/2"Electric heating element105 mm
LDN 5G 1/2"Sensor pocket 1 (12.7 mm)800 mm
LDN 7G 1/2"Sensor pocket 2 (12.7 mm)800 mm
Safety requirements
The storage vessel must be protected against overpressure at all times.
We recommend installing the following safety accessories:
* Safety valve and inlet combination
* Nexus sanitary expansion vessel model DS-DSV
* Nexus expansion vessel model Nexus ERCE
The required expansion vessel capacity must be calculated according to the total system volume and operating conditions.