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[About this calculator]

User Inputs
 Spray Valve Performance and Use
  New Device Water Flow Rate   Gal/m [Default]  [Help]
  Old Device Water Flow Rate (Optional)   Gal/m [Default]  [Help]
  Operating Hours per Day   h/d [Default]  [Help]
  Operating Days per Year   d/y [Default]  [Help]
 Water Heating Performance and Costs
  Water Heater Fuel Type   Electric
  Gas 		 
  Water Heater Efficiency   % [Default]  [Help]
  Temperature Rise Through Heater   °F [Default]  [Help]
  Electric Cost per kWh   $/kWh [Default]  [Help]
  Water Cost per CCF (100 cubic feet)   $/CCF [Default]  [Help]
  Sewer Cost per CCF (100 cubic feet)   $/CCF [Default]  [Help]
  [Default All]
Results
  New Device Results
[Assumptions] 		Old Device Results
[Assumptions]
 Annual Water Consumption (Gallons)      
 Annual Water Consumption (Units)      
 Annual Water Heating Energy (kWh)      
 Annual Water Cost   $   $
 Annual Sewer Cost   $   $
 Combined Annual Water and Sewer Cost   $   $
 Annual Water Heating Cost   $   $
 Overall Annual Cost   $   $
Optional: Name for Printed Results: