New York Codes, Rules and Regulations
Title 12 - DEPARTMENT OF LABOR
Chapter I - Industrial Board Of Appeals
Subchapter A - The Industrial Code
Part 4 - Low Pressure Boilers
Subpart 4-5 - Specific Requirements For Low Pressure Heating System Boilers
Section 4-5.14 - Water column and water level control pipes

Current through Register Vol. 47, No. 12, March 26, 2025

The minimum size of ferrous or nonferrous pipes connecting a water column to a steam boiler shall be one inch. The steam connection to the water column of a horizontal-return tubular boiler shall be taken from the top of the shell or the upper part of the head; the water connection shall be taken from a point not less than six inches below the center line of the shell. No outlet connections, except for damper regulator, feedwater regulator, steam gages or apparatus which does not permit the escape of any steam or water therefrom except for manually operated blowdowns, shall be attached to a water column or the piping connecting a water column to a boiler. If the water column, gage glass, low water fuel cutoff or other water level control device is connected to the boiler by pipe and fittings, no shut-off valves of any type shall be placed in such pipe; and a cross tee, or equivalent, in which a drain valve and piping may be attached, shall be placed in the water piping connection at every right angle turn to facilitate cleaning.

Disclaimer: These regulations may not be the most recent version. New York may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.