Water air heater

WRH 25-4

Article number: 0082.0120
Manufacturer: MAICO
Water air heater, sheet steel, galvanised, 8.3 kW, DN 250

Product data sheet
WRH 25-4 IM0009860.PNG Water air heater, sheet steel, galvanised, 8.3 kW, DN 250
Back
  • On the notes
WRH 10-1
WRH 12-1
WRH 16-2
WRH 20-2
WRH 25-4
WRH 31-6
WRH 40-9

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 7,57 kg
Weight including packaging 8,1 kg
Nominal size 250 mm
Open cross section 2.268 cm²
Width 385 mm
Height 333 mm
Depth 380 mm
Width with packaging 425 mm
Height with packaging 355 mm
Depth with packaging 381 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 25/1 EC Discontinued product 0073.0571 on request
  • On the notes
Centrifugal duct fan ERR 25/2 EC New development 0073.0588 on request
  • On the notes
Sound-insulated ventilation box ESR 25 EC Remaining parts 0080.0087 on request
  • On the notes
Sound-insulated ventilation box ESR 31 EC Remaining parts 0080.0088 on request
  • On the notes
Sound-insulated ventilation box ESR 25-3 EC New development 0080.1003 on request
  • On the notes
Centrifugal duct fan ERR 31/1 S No longer available for delivery 0080.0279 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
Sound-insulated ventilation box ESR 25-2 EC No longer available for delivery 0080.0713 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 heaters for ventilation systems.
  • Copper connections.
  • Housing cover can be removed for maintenance work.
  • With rubber sealing ring on the air connection sockets.
  • Consider control/pump group on site.

Table of contents

Wiring diagram

WRH 25-4 - Wiring diagram

Predecessor - successor

Notes
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