Fire sprinkler service includes a combination of inspection, testing, maintenance, and repair of your building’s sprinkler system to ensure it’s operational, code-compliant, and ready to activate in the event of a fire. At Group One, our licensed technicians perform: • Visual inspections of sprinkler heads, valves, and gauges • Testing of water flow, tamper switches, and pressure readings • Backflow preventer testing and certification • Flushing and hydrostatic testing (as needed) • Full NFPA 25-compliant documentation for your AHJ and insurance provider Whether it’s a quarterly checkup or a 5-year full system test, we tailor service to your building’s needs and jurisdiction.

Group One services all major types of commercial fire sprinkler systems, including: • Wet pipe systems (most common) • Dry pipe systems (ideal for unheated buildings) • Pre-action systems (used in data centers or areas sensitive to water damage) • Deluge systems (used in high-hazard facilities) • Fire pump and standpipe systems We’re certified to inspect, test, and repair everything from residential high-rises to industrial warehouses. Our team stays current with code updates, component recalls, and local inspection protocols.

Backflow preventers stop potentially contaminated water from flowing back into your public water supply. In fire sprinkler systems, they’re essential to protect drinking water from stagnant sprinkler piping. Most jurisdictions require annual backflow testing performed by a licensed technician. Group One is certified to test, repair, and file your backflow reports with the appropriate water authority—keeping your property safe, legal, and up to code.

Absolutely. Group One offers comprehensive fire protection service plans that bundle: • Sprinkler inspections and maintenance • Fire alarm inspections • Emergency lighting and exit sign testing • Backflow testing • UL-listed monitoring services • Code compliance inspections and reporting Bundling services saves you time, simplifies scheduling, reduces service costs, and ensures your entire life safety ecosystem is managed under one trusted provider. Ideal for HOAs, healthcare facilities, educational campuses, and multi-building portfolios.