Did you know: Armstrong offers Steam-to-Steam Humidifiers with capacities up to 800 lbs/hr.

Recirculating Hot Water Systems 

Recirculating Hot Water Systems

Pre-Piped Tempered Water (P-PTW)

Flo-Rite-Temp Instantaneous Steam/Water Heater for Recirculating Hot Water Systems feature four heat exchanger options offered as pre-piped tempered water packaged assemblies.

Flo-Rite-Temp Pre-Piped (P-P) Tempered Water (TW) Systems are fully assembled and include the following installation components:

  • Steam Trap
  • Air Vent
  • Thermometers
  • CIP Connection Port
  • Flow Control/Isolation Valves
  • DRV 80 Digital Recirculating Valve "The Brain" (DMC1)

Ideal for both new construction and retrofit installation within an existing building infrastructure. Flo-Rite-Temp Pre-Piped (P-P) Tempered Water (TW) Systems are designed to fit through a standard 32" doorway (Model 8120 36" doorway).

Armstrong Flo-Rite-Temp Instantaneous Steam/Water Heater pre-piped packages are available in 58 standard configurations.

Customized Hot Water System Solutions are our specialty. Multiple orientations, configurations and options are available.

Hot Water System Solutions which include condensate recovery, circulating pumps, additional mixed water temperature controls/loops and varied other components can be application engineered specifically to meet the projects requirements.

To learn more, go to the menu above.

  For submittal drawing refer to:
  Model 415P-PTW-EMC1   Single Wall   S5476
  Model 415DWP-PTW-EMC1   Double Wall   S5522
  Model 535P-PTW-DMC1   Single Wall   S5477
  Model 535DWP-PTW-DMC1   Double Wall   S5523
  Model 665P-PTW-DMC1   Single Wall   S5478
  Model 665DWP-PTW-DMC1   Double Wall   S5524
  Model 8120P-PTW-DMC1   Single Wall   S5479
  Model 8120DWP-PTW-DMC1   Double Wall   S5525
 Flo-Rite-Temp Instantaneous Steam/Water Heater
Model Entering Water Temperature Outlet Temperature
120 130 140 160 180
415P-PTW-EMC1 40 20 18 16 12 7
50 20 20 17 13 7
60 - 20 19 14 7
535P-PTW-DMC1 40 45 39 34 26 16
50 45 43 37 28 17
60 - 45 40 30 18
665P-PTW-DMC1 40 80 73 63 48 32
50 80 80 68 51 33
60 - 80 75 55 35
8120P-PTW-DMC1 40 145 145 120 95 59
50 145 145 134 102 72
60 - 145 145 115 90

   Note: All flow rates in gallons per minute and using 15 PSIG steam.