Nautic Boiler B3 Series

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Nautic Boiler B3 Series

Constructed with a stainless steel tank (AISI 316), high-density polyurethane foam insulation, and a durable composite casing, the Quick Nautic Boiler B3 is a versatile electric calorifier delivering reliable hot water for marine and domestic applications. Featuring adjustable safety and relief valves, this boiler range is supplied with stainless steel mounting brackets and allows both wall and floor installation, ensuring long-lasting performance and corrosion resistance. 

Product Information

The Quick Nautic Boiler B3 is a high-performance electric calorifier designed for marine and domestic use. The tank is crafted from 1.5mm AISI 316 stainless steel, welded with Argon shielding gas, and provides exceptional resistance to corrosion and long service life. Users can experience excellent heat retention thanks to a high-density polyurethane foam insulation between the tank and composite casing. 

This Quick calorifier features an adjustable safety thermostat, a relief/non-return valve for discharging in case of disuse, and comes with stainless steel mounting brackets for wall or floor installation. The heat exchanger is made of AISI 316L stainless steel, offering superior heat exchange performance compared to other manufacturers and standard connections are 1/2" BSP. This unit is designed to operate efficiently at nominal voltage.

Optional features include a thermostatic mixing valve kit, anti-flare protection, and an anodised aluminium case for the heating element to comply with ISO 8846 standards in potentially explosive environments. Manufactured in the United Kingdom, the Quick Nautic Boiler B3 combines premium materials, robust construction, and excellent thermal performance for dependable hot water wherever it’s needed.

  • High quality materials.
  • Heat exchanger with wide exchange surface.
  • Produces hot water from the electric element, that is fitted with an adjustable safety thermostat.
  • Relief / non-return valve that allows discharging of the water heater in case of disuse.
  • Tank mounting brackets are in stainless steel and are supplied as standard in each package.

Product Specifications 

Model  B3 15 B3 20
Tank Capacity  15L / 3.96 US Gallons 20L / 5.28 US Gallons
Diameter  300mm / 11 13/16" 300mm / 11 13/16"
Length 405mm / 15 31/32" 500mm / 19 11/16"
Tank Material AISI 316 AISI 316
Thermal Insulation Material Polyurethane Foam Polyurethane Foam
External Cladding Material COMPOSITE COMPOSITE
Tank Pressure During Testing 800 kPa (1)  800 kPa (1)
Maximum Working Pressure 600 kPa (1)  600 kPa (1)

Electric Electric Voltage Rating

12VDC 220VAC 110VAC 110VAC / 220VAC 12VDC 220VAC 110VAC 110VAC / 220VAC
Electric Element Power Rating 300W 500W 600W 120 W 300W 500W 600W 1200W
Fittings Diameter 1/2” 1/2”
Weight (2) 7kg / 15.4Ib 8.1kg / 17.8Ib

 

Model  B3 25 B3 30
Tank Capacity  25L / 6.6 US Gallons 30L / 7.92 US Gallons
Diameter 300mm / 11 13/16" 360mm / 14 3/16"
Length 605mm / 23 27/32" 495mm / 19 1/2"
Tank Material AISI 316 AISI 316
Thermal Insulation Material Polyurethane Foam Polyurethane Foam
External Cladding Material COMPOSITE COMPOSITE
Tank Pressure During Testing 800 kPa (1)  800 kPa (1) 
Maximum Working Pressure 600 kPa (1)  600 kPa (1) 
Electric Electric Voltage Rating 220VAC 110VAC 110VAC / 220VAC 220VAC 110VAC 110VAC / 220VAC
Electric Element Power Rating 500W 600W 1200W 500W 600W 1200W
Fittings Diameter 1/2” 1/2”
Weight (2) 8.5kg / 18.7Ib 10.2kg / 18.7Ib

 

Model B3 40 B3 60
Tank Capacity  40L / 10.56 US Gallons 60L / 15.8 US Gallons
Diameter 360mm / 14 3/16" 400mm / 15 2/4"
Length 620mm / 24 7/16" 721mm / 28 3/8"
Tank Material AISI 316 AISI 316
Thermal Insulation Material Polyurethane Foam Polyurethane Foam
External Cladding Material COMPOSITE COMPOSITE
Tank Pressure During Testing 800 kPa (1) 800 kPa (1) 
Maximum Working Pressure 600 kPa (1) 600 kPa (1) 
Electric Electric Voltage Rating 220VAC 110VAC 110VAC / 220VAC 220VAC 110VAC 110VAC / 220VAC
Electric Element Power Rating 500W 600W 1200W 500W 600W 1200W
Fittings Diameter 1/2” 1/2”
Weight (2) 11.7kg / 25.8Ib 14.6kg / 32.2Ib