Raypak Hot Water 538

Raypak Hot Water
Raypak 538

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Raypak® 538 is a compact and efficient heating system for large quantities of water for both hot water and hydronic applications.

  • Can be installed indoors or outdoors
  • Available with On/Off or modulating burners
  • Hot Surface Ignition (HSI) reduces operating costs
  • The On/Off type water heaters can operate as low as 41°C without any condensation or sooting
  • The efficient all-copper heat exchanger provides an outstanding 82% thermal efficiency
  • Raypak 538 delivers up to 1474L recovery per hour at a 70°C rise
  • Maximum storage capacity of 6000L 
Max Storage Capacity Installation Location Weight Empty Approx Natural Gas Input Natural Gas Output
6000 Litres Indoor/Outdoor 195 kg 539 MJ/hr 120 kW
Max Storage Capacity 6000 Litres
Installation Location Indoor/Outdoor
Weight Empty Approx 195 kg
Natural Gas Input 539 MJ/hr
Natural Gas Output 120 kW

Raypak Hot Water 538

Product Specifications

Max Storage Capacity
6000 Litres
Installation Location
Indoor/Outdoor
Weight Empty Approx
195 kg
Natural Gas Input
539 MJ/hr
Natural Gas Output
120 kW
Inlet Connection
RC1½
ULPG Input
n/a MJ/hr
ULPG Output
n/a kW
Warranty: Parts (Parts/Labour)
1 Year
Warranty: Heat Exchanger (Parts/Labour)
5/1 Year
Dimensions H x W (includes high wind top)
2130 x 830 mm
Flue Connection
255 mm
Natural Gas Connection On/Off Models
R1
Natural Gas Connection Modulating Models
R1
Relief Valve Connection - On/Off Models
RC¾
Relief Valve Connections - Modulating Models
RC¾
Electrical Rating 240V 50Hz
50 Watts
Electrical Rating 240v 50Hz
50 Amps
Minimum Buffer Tank Capacity
325 Litres
Natural Gas Recovery per/hr @ 30°C rise
3440 Litres
Natural Gas Recovery per/hr @ 40°C rise
2580 Litres
Natural Gas Recovery per/hr @ 50°C rise
2064 Litres
Natural Gas Recovery per/hr @ 60°C rise
1720 Litres
Natural Gas Recovery per/hr @ 65°C rise
1588 Litres
Natural Gas Recovery per/hr @ 70°C rise
1474 Litres
Natural Gas Recovery per/hr @ 75°C rise
1376 Litres
Natural Gas Recovery per/hr @ 80°C rise
1290 Litres
Natural Gas Recovery per/hr @ 85C rise
1214 Litres
Maximum Flow Rate Modulating (10°C Rise)
2.87 Litres/sec
Maximum Flow Rate Modulating Pressure Drop
6 kPa
Maximum Flow Rate On/Off (15°C Rise)
1.91 Litres/sec
Maximum Flow Rate On/Off Pressure Drop
3 kPa
Minimum Flow Rate (20°C Rise)
1.43 Litres/sec
Minimum Flow Rate Pressure Drop
3 kPa
Back Clearance (Combustibles)
600 mm
Front Clearance (Combustibles)
750 mm
Left Clearance (Combustibles)
600 mm
Right Clearance (Combustibles)
600 mm
Ceiling Clearance (Combustibles)
1200 mm
Back Clearance (Non-Combustibles)
150 mm
Front Clearance (Non-Combustibles)
750 mm
Left Clearance (Non-Combustibles)
600 mm
Right Clearance (Non-Combustibles)
600 mm
Ceiling Clearance (Non-Combustibles)
1200 mm
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