Waterflow Switches Toronto: UL 346 Listed and FM 1042 Approved Vane-Type Sprinkler Waterflow Detectors for NFPA 13 Alarm Initiating Devices on Wet, Dry-Pipe, Pre-Action and Deluge Systems
ValveAtlas supplies UL 346 Listed and FM 1042 Approved vane-type waterflow switches (UVWF-100, UVWF-150, UVWF-200, UVWF-250, UVWF-300, UVWF-400 and UVWF-600) in sizes DN25 through DN150 (1″ through 6″) with paddle sensor, pneumatic retard, two sets of SPDT contacts and tamper-resistant enclosure to fire protection contractors and mechanical subs across Toronto. UL 346 listing with no TSE-only references. Full submittal package for Toronto Fire Services (TFS) approval under the Ontario Building Code (OBC).
This is the technical reference for Toronto fire alarm designers, sprinkler contractors and system integrators selecting waterflow detection for airport, automotive assembly plant, high-rise tower, university campus and colocation data center projects. UVWF paddle mounts on tee saddle at main or floor control riser. Wet pipe SPDT alarm initiation with 0-90 second adjustable retard. Dry pipe, pre-action and deluge applications use pressure-type switches.
UVWF waterflow switch product range
UVWF-100 through UVWF-600 covers DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN150 pipe sizes with matching paddle sensor for 1″ to 6″ sprinkler main. Each unit has two SPDT contacts (alarm + auxiliary), pneumatic retard timer adjustable 0-90 seconds for surge protection, and UL-listed weather-resistant steel enclosure with cover tamper switch option. NEMA 4X kit available for outdoor installation.
Why Toronto contractors choose ValveAtlas waterflow switches
UL 346 and FM 1042 dual listing. UL 346 (Waterflow Indicators for Fire Protective Signaling Systems) and FM 1042 (Vane-Type Waterflow Indicators). Every UVWF carries both listings with no TSE-only parts.
Pneumatic retard 0-90 seconds adjustable. NFPA 13-recommended retard prevents surge-related false alarms. Field-adjustable from closed-cell diaphragm, no batteries required.
Two sets of SPDT contacts. Primary contact for alarm panel, secondary for local bell or building management system. 10A rating at 125VAC.
Approved-equal submittals
Where a specification names a specific manufacturer, we prepare an approved-equal submittal package (listing certificates, dimensional drawings and material data) for review by the engineer of record and the authority having jurisdiction.
Related Toronto fire protection products
See also: Fire sprinklers Toronto, Wet alarm valves Toronto, Dry pipe valves Toronto, Check valves Toronto.
Contact ValveAtlas for Toronto waterflow switches quotation
Email UVWF quotation requests and approved-equal submittal requests for Toronto Fire Services (TFS) approval to info@valve-atlas.com.
Why ValveAtlas serves the Greater Toronto Area
Our Toronto warehouse enables same-day pickup for GTA contractors. We supply UL listed and FM approved fire protection equipment for NFPA 13 sprinkler projects, with Ontario Building Code documentation packages for every order. Free GTA delivery on orders over $500 CAD; next-day delivery to Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Hamilton, Kitchener-Waterloo and London, ON.