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I noticed my licensed plumber didn't install sediment traps to the new hot water boiler & hot water heater. He says NYC doesn't allow it anymore due to people tapping off of it....very much like what I found in this link
Inspector had no problems with rough-in inspection.
I looked at the NYC gas code and all I found was:
"SECTION FGC 408
DRIPS AND SLOPED PIPING
408.1 Slopes. Piping for other than dry gas conditions shall be sloped not less than ¼ inch in 15 feet (6.3 mm in 4572 mm) to prevent traps. The local gas supplier/utility company should be consulted to determine the type of fuel gas available for the intended service.
408.2 Drips. Where the local gas supplier/utility company requires, a manufactured test fitting or drip leg shall be installed downstream of a lockable supply/riser valve in accordance with the requirements for installation of the serving utility. No other locations will be allowed to prevent additional unapproved gas connections.
408.4 Sediment trap. Where a sediment trap is not incorporated as part of the gas utilization equipment, a sediment trap shall be installed downstream of the equipment shutoff valve as close to the inlet of the equipment as practical. The sediment trap shall be either a tee fitting with a
capped nipple in the bottom opening of the run of the tee or other device approved as an effective sediment trap. Illuminating appliances, ranges, clothes dryers and outdoor grills need not be so equipped."
So is this just NYC inspectors enforcing something that is not actually code? (Incorrectly referencing 408.2 instead of 408.4)