NIGP 03125: Controls: Limit Switches, Relays, Thermostats, Gas Valves, etc.

NIGP 03125 Controls: Limit Switches, Relays, Thermostats, Gas Valves, Etc., an Item code, encompasses pressure and temperature instrumentation, atmospheric monitoring sensors, control components, and valve hardware that state and local governments deploy across water treatment, HVAC, transit, and building management systems. Recent solicitations reveal procurement activity focused on integrated building management system maintenance and repair services, boiler and chiller equipment servicing with certified technician requirements, specialty instrumentation (pressure transmitters, temperature switches, sensors for hydrogen sulfide and methane detection) stocked and delivered by local distributors, and butterfly valves for municipal water filter plants meeting AWWA and NSF standards. County water authorities, city transit agencies, and municipal water services departments issue most of the recent solicitations; county departments of public works and facilities management also solicit under this code. The issuing-body mix spans county-level water resources departments and city water and transit services operating across multiple facilities, with occasional state facilities management contracts.

Geographic activity concentrates in California (County of San Mateo, City of Phoenix, Alameda County Water District), Georgia (Gwinnett County Board of Commissioners), North Carolina (City of Charlotte), Florida (Collier County), and Oregon (State of Oregon Department of Administrative Services). Representative opportunities include the County of San Mateo, Department of Public Works, requesting RFP 2027RFP00133 for comprehensive building management system maintenance, repairs, and technical support across county-owned facilities with proposals due October 30, 2026; the City of Charlotte seeking proposals via RFP 26920271769 for preventative maintenance and repair services on boiler and chiller systems at CATS facilities, due October 15, 2026; the City of Phoenix Water Services Department soliciting under IFB 26-0398 for pressure and temperature instrumentation equipment (transmitters, switches, gauges, thermowells, RTDs) from manufacturers including Honeywell, Emerson, and Siemens, with sealed offers due August 18, 2026, for a five-year contract; and the Gwinnett County Board of Commissioners issuing IFB BL126-26 for double offset butterfly valves in sizes 54" through 108" meeting AWWA Standards C504/C516 for the Lanier and Shoal Creek Filter Plants, with bids due September 23, 2026. The State of Oregon DAS is also procuring HVAC water treatment services for hot and cold water systems across 24 DAS-owned buildings via RFP S1070000017049, with proposals due October 5, 2026 and a maximum not-to-exceed compensation of $5,000,000.00.