Water air heater

WRH 25-4

Article number: 0082.0120
Manufacturer: MAICO
Water air heater, sheet steel, galvanised, 8.3 kW, DN 250
WRH 25-4 IM0009860.PNG Water air heater, sheet steel, galvanised, 8.3 kW, DN 250

Characteristic curve

WRH 25-4 - Characteristic curve Pressure losses

  1. WRH 10-1
  2. WRH 12-1
  3. WRH 16-2
  4. WRH 20-2
  5. WRH 25-4
  6. WRH 31-6
  7. WRH 40-9

WRH 25-4 - Characteristic curve Temperature rise

  1. WRH 10-1
  2. WRH 12-1
  3. WRH 16-2
  4. WRH 20-2
  5. WRH 25-4
  6. WRH 31-6
  7. WRH 40-9

Dimensioned drawing

WRH 25-4 - Dimensioned drawing [mm]

  1. External connection diameter
A: 250 mm
B: 333 mm
C: 385 mm
D: 22 mm
E: 250 mm
F: 40 mm
G: 300 mm
H: 380 mm

Technical data

WRH 25-4 - Technical data

Article WRH 25-4
Installation position vertical / horizontal
Housing material Sheet steel, galvanised
Weight 7,6 kg
Nominal size 250 mm
Open cross section 2.268 cm²
Width 385 mm
Height 333 mm
Depth 380 mm
Air heater type Water
Heater power rating 8.300 W
Mass flow 233 kg/h
Inlet temperature 70 °C
Return flow temperature 50 °C
Max. water temperature 100 °C
Max. water pressure 6 bar
Water pressure difference 5.300 Pa
Packing unit 1 piece
Range C
GTIN (EAN) 4012799821205
Article number 0082.0120

Accessories of

WRH 25-4 - Accessories of

is a special accessory of

Product type Name Art. No. Price*(EUR) Action
Sound-insulated ventilation box ESR 25 S No longer available for delivery 0080.0230 on request
  • On the notes

is a general accessory of

Product type Name Art. No. Price*(EUR) Action
Centrifugal duct fan ERR 25/1 0080.0277 on request
  • On the notes
Centrifugal duct fan ERR 31/1 0080.0278 on request
  • On the notes
Centrifugal duct fan ERR 31/1 S No longer available for delivery 0080.0279 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 EC 0080.0713 on request
  • On the notes
Centralised ventilation unit WR 600 No longer available for delivery 0095.0080 on request
  • On the notes
Semi-centrifugal duct fan ERM 25 No longer available for delivery 0080.0205 on request
  • On the notes
Semi-centrifugal duct fan ERM 28 No longer available for delivery 0080.0206 on request
  • On the notes
Sound-insulated ventilation box ESR 25/1 No longer available for delivery 0080.0284 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 No longer available for delivery 0080.0613 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 No longer available for delivery 0080.0059 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 S No longer available for delivery 0080.0620 on request
  • On the notes
ESR 25 EC No longer available for delivery 0080.0087 on request
  • On the notes
Quickbox ESQ 25/4 No longer available for delivery 0080.0027 on request
  • On the notes
Quickbox DSQ 25/4 No longer available for delivery 0080.0032 on request
  • On the notes

Product description

Productdescription

WRH 25-4

short description

Water air heater, sheet steel, galvanised, 8.3 kW, DN 250

Product description

  • Water air heater for ventilation systems.
  • Connections made of copper.
  • Housing cover can be removed for service work.
  • With rubber seal on the air connection couplings.

Table of contents

Wiring diagram

WRH 25-4 - Wiring diagram

Predecessor - successor

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