Boiler Water - Hardness

Boiler water hardness control - ≤ 2 ppm CaCO₃ for auxiliary boilers.

BoilerHardnessWater

Loading calculator…

This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

H \leq 2\,ppm\ CaCO_3

Symbol	Meaning	Unit
$H$	Total hardness	ppm CaCO₃

Source: ASME Boiler & Pressure Vessel Code

Boiler water hardness control - \u2264 2 ppm CaCO\u2083 for auxiliary boilers.