Did you know: Armstrong invented the direct steam injection humidifier in 1937.

• Steam To Water - Feed Forward - Flo-Rite-Temp
  • Individual Water Heaters - Single Wall
    • 15GPM - Flo-Rite-Temp Model 415
    • 35GPM - Flo-Rite-Temp Model 535
    • 65GPM - Flo-Rite-Temp Model 665
    • 120GPM - Flo-Rite-Temp Model 8120
  • Individual Water Heaters - Double Wall
    • 15GPM - Flo-Rite-Temp Model 415DW
    • 35GPM - Flo-Rite-Temp Model 535DW
    • 65GPM - Flo-Rite-Temp Model 665DW
    • 120GPM - Flo-Rite-Temp Model 8120DW
  • Individual Water Heaters - Stainless Steel
    • 37GPM - Flo-Rite-Temp Model 665SS
    • 71GPM - Flo-Rite-Temp Model 8120SS
  • Non-Recirculating Systems - Single Wall (P-P)
    • 15GPM - Flo-Rite-Temp Model 415P-P
    • 35GPM - Flo-Rite-Temp Model 535P-P
    • 65GPM - Flo-Rite-Temp Model 665P-P
    • 120GPM - Flo-Rite-Temp Model 8120P-P
  • Non-Recirculating Systems - Double Wall (DWP-P)
    • 15GPM - Flo-Rite-Temp Model 415DWP-P
    • 35GPM - Flo-Rite-Temp Model 535DWP-P
    • 65GPM - Flo-Rite-Temp Model 665DWP-P
    • 120GPM - Flo-Rite-Temp Model 8120DWP-P
  • Non-Recirculating Systems - Single Wall - Parallel (PP-P)
    • 15/30GPM - Flo-Rite-Temp Model 415PP-P
    • 35/70GPM - Flo-Rite-Temp Model 535PP-P
    • 65/130GPM - Flo-Rite-Temp Model 665PP-P
    • 120/240GPM - Flo-Rite-Temp Model 8120PP-P
  • Non-Recirculating Systems - Double Wall - Parallel (DWPP-P)
    • 15/30GPM - Flo-Rite-Temp Model 415DWPP-P
    • 35/70GPM - Flo-Rite-Temp Model 535DWPP-P
    • 65/130GPM - Flo-Rite-Temp Model 665DWPP-P
    • 120/240GPM - Flo-Rite-Temp Model 8120DWPP-P
  • Recirculating Systems - Single Temperature - Single Wall (P-PR)
    • 15GPM - Flo-Rite-Temp Model 415P-PR
    • 35GPM - Flo-Rite-Temp Model 535P-PR
    • 65GPM - Flo-Rite-Temp Model 665P-PR
    • 120GPM - Flo-Rite-Temp Model 8120P-PR
  • Recirculating Systems - Single Temperature - Double Wall (DWP-PR)
    • 15GPM - Flo-Rite-Temp Model 415DWP-PR
    • 35GPM - Flo-Rite-Temp Model 535DWP-PR
    • 65GPM - Flo-Rite-Temp Model 665DWP-PR
    • 120GPM - Flo-Rite-Temp Model 8120DWP-PR
  • Recirculating Systems - Single Temperature - Single Wall - Parallel (PP-PR)
    • 15/30GPM - Flo-Rite-Temp Model 415PP-PR
    • 35/70GPM - Flo-Rite-Temp Model 535PP-PR
    • 65/130GPM - Flo-Rite-Temp Model 665PP-PR
    • 120/240GPM - Flo-Rite-Temp Model 8120PP-PR
  • Recirculating Systems - Single Temperature - Double Wall - Parallel (DWPP-PR)
    • 15/30GPM - Flo-Rite-Temp Model 415DWPP-PR
    • 35/70GPM - Flo-Rite-Temp Model 535DWPP-PR
    • 65/130GPM - Flo-Rite-Temp Model 665DWPP-PR
    • 120/240GPM - Flo-Rite-Temp Model 8120DWPP-PR
  • Recirculating Systems - Tempered Water - Single Wall (P-PTW)
    • 15GPM - Flo-Rite-Temp Model 415P-PTW
    • 35GPM - Flo-Rite-Temp Model 535P-PTW
    • 65GPM - Flo-Rite-Temp Model 665P-PTW
    • 120GPM - Flo-Rite-Temp Model 8120P-PTW
  • Recirculating Systems - Tempered Water - Double Wall (DWP-PTW)
    • 15GPM - Flo-Rite-Temp Model 415DWP-PTW
    • 35GPM - Flo-Rite-Temp Model 535DWP-PTW
    • 65GPM - Flo-Rite-Temp Model 665DWP-PTW
    • 120GPM - Flo-Rite-Temp Model 8120DWP-PTW
  • Recirculating Systems - Tempered Water - Single Wall - Parallel (PP-PTW)
    • 15/30GPM - Flo-Rite-Temp Model 415PP-PTW
    • 35/70GPM - Flo-Rite-Temp Model 535PP-PTW
    • 65/130GPM - Flo-Rite-Temp Model 665PP-PTW
    • 120/240GPM - Flo-Rite-Temp Model 8120PP-PTW
  • Recirculating Systems - Tempered Water - Double Wall - Parallel (DWPP-PTW)
    • 15/30GPM - Flo-Rite-Temp Model 415DWPP-PTW
    • 35/70GPM - Flo-Rite-Temp Model 535DWPP-PTW
    • 65/130GPM - Flo-Rite-Temp Model 665DWPP-PTW
    • 120/240GPM - Flo-Rite-Temp Model 8120DWPP-PTW
• Steam To Water - Feed Back - ST Heat Exchangers
  • Individual Water Heaters
• Boiler Water To Water - Flo-H20
  • Recirculating Hot Water Systems - Single Wall
    • 40GPM - Model 40
    • 70GPM - Model 70
    • 100GPM - Model 100
  • Recirculating Hot Water Systems - Double Wall
    • 40GPM - Model 40DW
    • 70GPM - Model 70DW
    • 100GPM - Model 100DW
• Complete Thermal Exchange Gas-Fired - Flo-Direct
  • Non-Recirculating Hot Water Systems
  • Recirculating Hot Water Systems