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ERSS cutaway view, insulation in white

ERSS

For oil, gas, solid fuel, and heat pumps

  • Enameled Potable Water Tanks
  • 20 variants
Volume
120–500
operating pressure
10 bar

Sizes and Availability

20 variants

As of Oct 28, 2026
SizeImplementationItem No.Efficiency Classheat lossAvailability
120 silver 822120 B 40 W In stock
120 white 822120w B 40 W Delivery time: approx. 4–6 weeks
140 silver 822140 B 50 W In stock
140 white 822140w B 50 W In stock
200 silver · Energy efficiency class: B 822200 B 59 W In stock
200 white · Energy efficiency class: B 822200w B 59 W In stock
200 silver · Energy efficiency class: A 822202 A 42 W In stock
200 white · Energy efficiency class: A 822202w A 42 W In stock
300 silver · Energy efficiency class: B 822300 B 66 W In stock
300 white · Energy efficiency class: B 822300w B 66 W In stock
300 silver · Energy efficiency class: A 822302 A 48 W In stock
300 white · Energy efficiency class: A 822302w A 48 W Delivery time: approx. 2–3 weeks
400 silver · Neodul 822400 B 67 W In stock
400 white · Neodul 822400w B 67 W In stock
400 silver · Energy efficiency class: B 822401 B 68 W Delivery time: approx. 4–6 weeks
400 white · Energy efficiency class: B 822401w B 68 W In stock
500 silver · Neodul 822500 B 75 W In stock
500 white · Neodul 822500w B 75 W Delivery time: approx. 4–6 weeks
500 silver · Energy efficiency class: B 822501 B 82 W Delivery time: approx. 4–6 weeks
500 white · Energy efficiency class: B 822501w B 82 W Delivery time: approx. 4–6 weeks

Description

The domestic water tank can be used as a supplementary storage tank for oil, gas, solid fuel, heat pumps, and similar systems.

Features

  • with a smooth-tube heat exchanger
  • Removable insulation for easy installation (Types 400 and 500)
  • Silver and white colors available from stock
  • Highest build quality
  • High-quality S275JR steel in accordance with EN 10025, manufactured in accordance with EN 12897:2006
  • Enameled in accordance with DIN 4753
  • Certified according to EN 12897
  • Operating pressure: 10 bar
  • Test pressure: 16 bar
  • Maximum operating temperature: 95°C
  • Up to a 5-year warranty (with proof of maintenance)

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