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Recirculating Hot Water Systems

Recirculating Hot Water Systems

Parallel/Redundant Pre-Piped Single Temperature (PP-PR)

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

Flo-Rite-Temp Pre-Piped (P-P) Parallel (P) Recirculating (R) Single Temperature Systems are fully assembled and include the following installation components:

  • Steam Trap
  • Air Vent
  • Thermometers
  • CIP Connection Port
  • Flow Control/Isolation Valves
  • Thermostatic Diverting Valve

Ideal for both new construction and retrofit installation within an existing building infrastructure. Flo-Rite-Temp Pre-Piped (P-P) Parallel (P) Recirculating (R) Single Temperature 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 415PP-PR   Single Wall   S5472
 Model 415DWPP-PR   Double Wall   S5518
 Model 535PP-PR   Single Wall   S5473
 Model 535DWPP-PR   Double Wall   S5519
 Model 665PP-PR   Single Wall   S5474
 Model 665DWPP-PR   Double Wall   S5520
 Model 8120PP-PR   Single Wall   S5475
 Model 8120DWPP-PR   Double Wall   S5521

 

 Flo-Rite-Temp Instantaneous Steam/Water Heater
Model Entering Water Temperature Outlet Temperature
120 130 140 160 180
415PP-PR 40 20 18 16 12 7
50 20 20 17 13 7
60 - 20 19 14 7
535PP-PR 40 45 39 34 26 16
50 45 43 37 28 17
60 - 45 40 30 18
665PP-PR 40 80 73 63 48 32
50 80 80 68 51 33
60 - 80 75 55 35
8120PP-PR 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. If unit is operated in parallel then double flow rate given for total available capacity.