Fleet Vertical condensing boiler larger modules
Vertically-stacked, 2 or 3-modules high, condensing, fully-modulating, pre-mix, gas-fired boilers for commercial heating/DHW.

13 x 2-high models with outputs (@50/30°C) of: 80, 100, 120, 140, 170, 200, 250, 300, 350, 400, 500, 600 and 700kW. 
13x 3-high models with outputs (@50/30°C) of: 120, 150, 180, 210, 255, 300, 375, 450, 525, 600, 750, 900 and 1050kW.
  • Fuel-saving 97.4% gross seasonal efficiency, full load 98%, part load 109%.
  • Close load matching.
  • Ideal for multiple boiler applications.
  • Compact space-saving, vertically stacked design – more than 1MW output can sit on 1 square metre footprint.
  • Extensive controls capability, including BMS and Merley control capability
  • Innovative high pressure die-cast aluminium alloy heat exchanger rated to 6 bar operating pressure.
  • Common components used across the entire Fleet range simplifying installation and maintenance.
  • Comprehensive flue options.
  • Pre-assembled & tested pipe header kits with low loss header options.
  • Fully factory tested before delivery.
  • BIM objects available to assist in project design and management.
  • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.
  • Extensive back up and support from our team of experienced engineers across the UK.

Contact your nearest Hamworthy sales representative to discuss your requirements or make an enquiry online.

  Title Type Size  
Fleet vertical brochure Fleet vertical brochure Product brochures 2961 kB Download
Fleet vertical dimensions Fleet vertical dimensions Dimensions 996 kB Download
Fleet vertical technical data Fleet vertical technical data Data tables 566 kB Download
Fleet boiler user instructions Fleet boiler user instructions Installers guides 55 kB Download
Fleet floor standing vertical 40-150kW installation guide Fleet floor standing vertical 40-150kW installation guide Installers guides 4749 kB Download
Fleet floor standing vertical 175-350kW installation guide Fleet floor standing vertical 175-350kW installation guide Installers guides 4205 kB Download
Fleet vertical pipe kit installers guide Fleet vertical pipe kit installers guide Installers guides 4559 kB Download
QAA73.210 Programmable room unit for single boiler applications user manual QAA73.210 Programmable room unit for single boiler applications user manual Installers guides 778 kB Download
QAA73.210 Programmable Room Unit Installation Manual QAA73.210 Programmable Room Unit Installation Manual Installers guides 867 kB Download
Fleet vertical seasonal efficiency sheet Fleet vertical seasonal efficiency sheet Seasonal efficiency sheets 123 kB Download
Fleet vertical scheme 1 sealed sytem with low loss header Fleet vertical scheme 1 sealed sytem with low loss header Hydraulic schematics 190 kB Download
Fleet vertical scheme 2 sealed primary and open vented secondary sytem with plate heat exchanger Fleet vertical scheme 2 sealed primary and open vented secondary sytem with plate heat exchanger Hydraulic schematics 168 kB Download
Fleet vertical scheme 3 with plate heat exchanger separation Fleet vertical scheme 3 with plate heat exchanger separation Hydraulic schematics 175 kB Download
Fleet vertical scheme 4 sealed system single pipe header, primary pump and low loss header Fleet vertical scheme 4 sealed system single pipe header, primary pump and low loss header Hydraulic schematics 189 kB Download
Fleet vertical scheme 5 sealed single pipe system with independent direct fired DHW system Fleet vertical scheme 5 sealed single pipe system with independent direct fired DHW system Hydraulic schematics 214 kB Download
Fleet vertical boiler three-high F50V-150 CAD Fleet vertical boiler three-high F50V-150 CAD CAD 150 kB Download
Fleet vertical boiler three-high F60V-180 CAD Fleet vertical boiler three-high F60V-180 CAD CAD 150 kB Download
Fleet vertical boiler three-high F70V-210 CAD Fleet vertical boiler three-high F70V-210 CAD CAD 150 kB Download
Fleet vertical boiler three-high F85V-170 CAD Fleet vertical boiler three-high F85V-170 CAD CAD 100 kB Download
Fleet vertical boiler three-high F85V-255 CAD Fleet vertical boiler three-high F85V-255 CAD CAD 150 kB Download
Fleet vertical boiler three-high F100V-300 CAD Fleet vertical boiler three-high F100V-300 CAD CAD 150 kB Download
Fleet vertical boiler three-high F125V-375 CAD Fleet vertical boiler three-high F125V-375 CAD CAD 153 kB Download
Fleet vertical boiler three-high F150V-450 CAD Fleet vertical boiler three-high F150V-450 CAD CAD 151 kB Download
Fleet vertical boiler three-high F175V-525 CAD Fleet vertical boiler three-high F175V-525 CAD CAD 320 kB Download
Fleet vertical boiler three-high F200V-600 CAD Fleet vertical boiler three-high F200V-600 CAD CAD 320 kB Download
Fleet vertical boiler three-high F250V-750 CAD Fleet vertical boiler three-high F250V-750 CAD CAD 320 kB Download
Fleet vertical boiler two-high F40V-80 CAD Fleet vertical boiler two-high F40V-80 CAD CAD 100 kB Download
Fleet vertical boiler two-high F50V-100 CAD Fleet vertical boiler two-high F50V-100 CAD CAD 100 kB Download
Fleet vertical boiler two-high F60V-120 CAD Fleet vertical boiler two-high F60V-120 CAD CAD 100 kB Download
Fleet vertical boiler two-high F70V-140 CAD Fleet vertical boiler two-high F70V-140 CAD CAD 100 kB Download
Fleet vertical boiler two-high F100V-200 CAD Fleet vertical boiler two-high F100V-200 CAD CAD 100 kB Download
Fleet vertical boiler two-high F125V-250 CAD Fleet vertical boiler two-high F125V-250 CAD CAD 110 kB Download
Fleet vertical boiler two-high F150V-300 CAD Fleet vertical boiler two-high F150V-300 CAD CAD 110 kB Download
Fleet vertical boiler two-high F175V-350 CAD Fleet vertical boiler two-high F175V-350 CAD CAD 188 kB Download
Fleet vertical boiler two-high F200V-400 CAD Fleet vertical boiler two-high F200V-400 CAD CAD 189 kB Download
Fleet vertical boiler two-high F250V-500 CAD Fleet vertical boiler two-high F250V-500 CAD CAD 189 kB Download
Fleet vetical boiler three-high F40V-120 CAD Fleet vetical boiler three-high F40V-120 CAD CAD 150 kB Download
Fleet vertical wiring diagram Fleet vertical wiring diagram Wiring diagrams 167 kB Download
  • New build projects
  • Space–limited projects
  • Wide load variation projects
  • Large commercial and public buildings including schools, hospitals, hotels, supermarkets.
  • Choice of flue systems, terminals and extendable terminal kits 
    • Single duct air supply dia. 100mm, 130 mm, 150mm, 200mm
    • Open flue single pipe (B23) dia. 150mm, 200mm
    • Flat and pitched roof flashing
    • 45° and 90° elbows
    • wall brackets
  • Pipe header kits with frame-set
  • Plastic condensate pipework
  • Sensor spool for pipework
  • Low loss headers (2-port and 6-port)
  • Merley sequence controller for sequencing up to 16 boilers (includes 2 x LPB communications modules), available in wall-mounted or loose kit form, and with associated optional controls accessories:
    • Additional LPB bus communications modules 
    • OAT sensor (wired and wireless)
    • Radio + repeater for wireless controls
    • Programmable room sensor (wired or wireless)
    • DHW cylinder temperature sensor kit
  • Choose from a wide range of service contracts to help maintain optimum performance. 
  • Book commissioning at the same time as placing your order for improved warranty terms.