Product Specifications
Commercial Boilers

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Assist you in selecting the Flextube boiler to meet your requirements.
Select Model Name to consult the Boiler Book Section.
Select Steam or Hot Water to generate the specification.

Model FLX Access general product specification Steam or Hot Water Generate detailed product specification .	"Bent tube" Watertube design ProFire series burner for natural gas or light oil Full modulation Low NOx capability 1.5 to 12 MMBtu/hr input Low pressure steam, high pressure steam or hot water 20 year pressure vessel warranty Fully assembled or for field assembly UL/cUL approved package
Model 4 Boiler Access general product specification .	Membrane waterwall Watertube design Integral burner with blade type damper Natural gas or # 2 oil High-low-off operation Full modulation available on natural gas 1.5 to 6 MMBtu/hr input Low or high pressure steam 140 psig hot water UL approved package
Model 5 Boiler Access general product specification .	Designed specially for the Canadian Market Membrane waterwall Watertube design Low water volume design available Integral burner with blade type damper Natural gas or # 2 oil High-low-off operation Full modulation available on natural gas 1.5 to 6 MMBtu/hr input 140 psig hot water CSA approved package .
Electric Boilers Access general product specification .	Resistance design Low or high pressure steam Hot water storage heaters Instantaneous hot water heaters 9 to 3,375 kW output Emission free UL listed