230517 SLEEVES AND SLEEVE SEALS FOR HVAC PIPING 2 230518 ESCUTCHEONS FOR HVAC PIPING 1 230519 METERS AND GAUGES FOR HVAC PIPING 4 230523.12 BALL VALVES FOR HVAC PIPING 4 230523.13 BUTTERFLY VALVES FOR HVAC PIPING 3 230523.14 CHECK VALVES FOR HVAC PIPING 3 230529 HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT 9 230548.13 VIBRATION CONTROLS FOR HVAC 6 230553 IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT 4 230593 TESTING, ADJUSTING, AND BALANCING FOR HVAC 11 230713 DUCT INSULATION 7 230716 HVAC EQUIPMENT INSULATION 10 230719 HVAC PIPING INSULATION 11 230923.27 TEMPERATURE INSTRUMENTS 6 231123 FACILITY NATURAL-GAS PIPING 10 232113 HYDRONIC PIPING 9 232116 HYDRONIC PIPING SPECIALTIES 4 232123 HYDRONIC PUMPS 5 233113 METAL DUCTS 9 233423 HVAC POWER VENTILATORS 6 235123 GAS VENTS 2 235233 WATER-TUBE BOILERS 10
