Hot Water Calorifier
medium
Marine hot water heaters/calorifiers for domestic hot water supply
Known Models (3)
Aalborg Industries (Alfa Laval) Calorifier XC
300-3000 L
· Freshwater/Steam
· Combined Calorifier
medium: Freshwater/Steam
type: Combined Calorifier
Common Failures:
- • Steam coil leak
- • Electric heater element failure
- • Temperature control valve malfunction
- • Tank corrosion from depleted anode
Service: Dual heat source: engine JW/steam at sea, electric in port. Annual anode check. Descale coils based on water quality.
Spares: Ersatzteile über Aalborg Industries (Alfa Laval) oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Alfa Laval Marine Calorifier
200-2000 L, 60-80°C
· 12.0 kW
· Freshwater
· Marine Calorifier
medium: Freshwater
power_kw: 12
type: Marine Calorifier
Common Failures:
- • Heating coil scaling
- • Electric element burnout
- • Thermostat failure
- • Anode depletion causing tank corrosion
Service: Replace sacrificial anode annually. Descale heating coil every 2 years. Thermostat calibration annually. Legionella prevention: maintain >60°C.
Spares: Ersatzteile über Alfa Laval oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Wärtsilä (Hamworthy) Marine Hot Water Unit
200-1500 L
· 9.0 kW
· Freshwater
· Marine Hot Water Unit
medium: Freshwater
power_kw: 9
type: Marine Hot Water Unit
Common Failures:
- • Circulation pump failure
- • Heating element corrosion
- • Temperature sensor fault
- • Pressure relief valve weeping
Service: Integrated pump unit. Replace anode every 12 months. Monitor tank condition via inspection hatch.
Spares: Ersatzteile über Wärtsilä (Hamworthy) oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.