Specifications include, but are not limited to: Heated water supply piping conforms to pipe length and volume requirements; Automatic time switches installed to automatically switch off the recirculating hot-water system or heat trace. ; Pumps that circulate water between a heater and storage tank have controls that limit operation from startup to <= 5 minutes after end of heating cycle; Thermally ineffective panel surfaces of sensible heating panels have insulation >= R-3.5.; Refrigerated display cases, walk-in coolers or walk-in freezers served by remote compressors and remote condensers not located in a condensing unit, have fan-powered condensers that comply with Sections C403.5.1 and refrigeration compressor systems that comply with C403.5.2..; Heat traps installed on supply and discharge piping of non-circulating systems.