Have a question about the calculator? We would like to hear it.
Use this page to report a calculation issue, suggest an improvement, ask how an input should be interpreted, or discuss a relevant collaboration. Clear feedback helps us make Boiler Feed Pump Calculation more useful for engineers, operators, students and equipment teams.
For project-specific pump selection, include enough system information for the question to be understood, but do not send confidential plant data, passwords, payment details or sensitive personal information.
Tell us what you need help with.
A useful message explains what you entered, which result you expected, what the calculator displayed and which unit system you used. That context makes technical feedback much easier to investigate.
The calculator supports preliminary estimates—not final equipment approval.
Questions about site functionality, definitions, formulas and calculation behavior are welcome. For a real boiler installation, the final duty point and selected pump should still be checked against the manufacturer’s current curve, NPSHr data, minimum-flow requirement, materials, motor standard, operating philosophy and applicable project rules.