Post Indicator Valves Toronto: UL 789/FM 1110/ULC Listed PIV and PIVA for NFPA 24 Private Fire Service Mains

Post Indicator Valves Toronto: UL 789 Listed and FM 1110 Approved Post Indicator Valve Assemblies, Wall PIVs and Tamper-Supervised Private Fire Service Main Isolation for Toronto Airports, Hospitals, Data Centers and Campus Sprinkler Systems

ValveAtlas supplies UL 789 Listed, FM Class 1110 Approved and CAN/ULC-S543 compliant post indicator valves (PIVs), post indicator valve assemblies (PIVAs), wall PIVs, roadway box operators and tamper-supervised indicator posts to fire protection contractors, civil underground trades, consulting engineers and general contractors across Toronto, Mississauga, Brampton, Vaughan, Markham, Oshawa, Hamilton, Ottawa and Sarnia. Toronto HQ warehouse, factory-coated ductile-iron bodies, frost-protected extension stems for Ontario -30 C winter, OBC 3.2.5 submittals and Toronto Fire Services approval packages.

This page is the technical reference for Toronto specifying engineers, mechanical contractors, sprinkler installers and civil underground contractors selecting PIV packages for Pearson Airport (YYZ) fire main isolation, hospital and university campus loops, data center incoming mains, industrial plant fire loops and any NFPA 24 private fire service main application, governed by 2012 OBC as amended, NFPA 24 (private fire service mains), NFPA 13 Chapter 16 (water supply), UL 789, FM 1110 and CAN/ULC-S543.

Post indicator valve range for Toronto projects

Type	UNIVAL SKU	Size	Max working pressure	Listings	Typical Toronto application
PIV complete assembly	UVPIV-6-PIVA	6 inch NPS	250 psi	UL 789, FM 1110, ULC	Hospital campus loop, data center incoming main
PIV complete assembly	UVPIV-8-PIVA	8 inch NPS	250 psi	UL 789, FM 1110, ULC	University campus loop, Pearson Airport fire main
PIV complete assembly	UVPIV-10-PIVA	10 inch NPS	250 psi	UL 789, FM 1110	Large industrial plant fire loop, district energy
Wall PIV (WPIV)	UVPIV-6-WPIV	6 inch NPS	250 psi	UL 789, FM 1110, ULC	Exterior wall-mounted isolation for warehouse, plant
Roadway box PIV	UVPIV-6-RB	6 inch NPS	250 psi	UL 789, FM 1110	Paved surface installation with curb box
Indicator post only	UVPIV-IP	Adjustable 3 to 12 ft bury	N/A	FM 1110	Retrofit to existing gate valve on fire main
Tamper switch kit	UVPIV-TS	All sizes	24 VDC	UL 753	Supervisory tamper switch per NFPA 72 Section 17.16
Extension stem kit	UVPIV-EXT	Variable	N/A	UL 789	Frost protection for Ontario -30 C winter bury depth

Why Toronto contractors choose ValveAtlas post indicator valves

UL 789, FM 1110 and ULC triple listing. Every UNIVAL post indicator valve is UL 789 Listed (indicator posts for fire service), FM Class 1110 Approved and CAN/ULC-S543 compliant. TFS accepts listed PIVs with factory submittal, OBC compliance letter and NFPA 24 Chapter 6 private fire service main documentation.

Ductile iron body with fusion-bonded epoxy. UVPIV bodies are ductile iron ASTM A536 Grade 65-45-12 with factory-applied fusion-bonded epoxy coating per AWWA C550, rated for direct bury in Ontario clay and corrosive soil. Stainless steel stem, EPDM resilient seat and bronze operating nut rated for 250 psi working pressure.

Frost-protected extension stems for Ontario winter. UVPIV-EXT extension stem kits sized for Ontario frost line (1.2 m bury minimum per OBC 9.14.3.2 and local municipal standards). Telescoping operator stem and indicator window prevents freeze-up for reliable OPEN/SHUT indication through Toronto, Ottawa, Sudbury -30 C winters.

Tamper-supervised with UL 753 switch. UVPIV-TS tamper switch kit UL 753 Listed, 24 VDC, compatible with addressable fire alarm panels (Notifier, Siemens, Mircom, Edwards) per NFPA 72 Section 17.16 supervisory signal requirements. Factory-wired to indicator post for TFS fire alarm acceptance.

Direct substitution for Kennedy, Clow, Mueller, M&H and AVK. UNIVAL UVPIV-6-PIVA, UVPIV-8-PIVA and UVPIV-10-PIVA are UL 789/FM 1110 listed equivalent to Kennedy K81, Clow F-5850, Mueller A-20806, M&H 129 and AVK series 01/80. TFS accepts listed equivalent substitutions with engineer-of-record approval and factory submittal package.

Code and listing acceptance for Toronto

Ontario Building Code 3.2.5. OBC 3.2.5 adopts NFPA 13 for sprinkler installation and NFPA 24 for private fire service mains. PIV isolation required on sprinkler incoming main per NFPA 13 Chapter 16 and hydrant/standpipe feed per NFPA 14.

NFPA 24 private fire service mains. NFPA 24 Chapter 6 governs Toronto PIV selection, installation and supervision. Section 6.3.3 requires OS&Y or indicator post valves on private fire service mains. Section 6.2.9.4 requires supervision per NFPA 72. UNIVAL UVPIV ships NFPA 24 compliant.

NFPA 13 Chapter 16 water supply. Section 16.9.3 requires control valves in sprinkler water supply be indicator posts, OS&Y or listed equivalent. UVPIV-PIVA satisfies this requirement with visible OPEN/SHUT indication and electronic supervision.

NFPA 72 Section 17.16 supervisory signals. Tamper switches on all control valves per NFPA 72 Section 17.16.2. UVPIV-TS UL 753 tamper switch factory-wired for addressable SLC loop compatibility with Notifier NFS2-3030, Siemens FireFinder XLS, Mircom FX-2000, Edwards EST3.

Toronto Fire Services acceptance. TFS final inspection references NFPA 24 Chapter 10 (acceptance testing), AWWA C600 hydrostatic testing at 1.5x working pressure or 200 psi minimum for 2 hours, and visual OPEN/SHUT indication check. Factory test reports and UL/FM certificates provided with every Toronto PIV shipment.

Kennedy, Clow, Mueller, M&H, AVK substitution for Toronto projects

Kennedy K81 and 4950 series PIV. Substitute UVPIV-6-PIVA, UVPIV-8-PIVA or UVPIV-10-PIVA at matching size. Same UL 789/FM 1110 listing, ductile iron body with fusion-bonded epoxy, resilient wedge gate valve with bronze stem.

Clow F-5850 and F-5840 post indicator. Substitute UVPIV-6-PIVA or UVPIV-8-PIVA at matching duty. Same vertical indicator post with adjustable extension stem for 3 to 12 ft bury depth.

Mueller A-20806 and A-2360 series. Substitute UVPIV-6-PIVA, UVPIV-8-PIVA or UVPIV-10-PIVA. Matching resilient wedge construction with UL 789 indicator post assembly.

M&H 129 and 4067 series. Substitute UVPIV-6-PIVA or UVPIV-8-PIVA at matching size and working pressure. Same 250 psi rating and AWWA C515 compliance.

AVK Series 01/80 resilient seated gate valve with indicator post. Substitute UVPIV-6-PIVA or UVPIV-8-PIVA. Matching EPDM resilient seat, ductile iron body and UL/FM listing.

Installation scenarios for Toronto private fire service mains

Hospital campus fire main loops. UHN Toronto General, SickKids, Sunnybrook, St. Michael’s campus fire loops with 8 inch NPS UVPIV-8-PIVA at building feeds and campus isolation points. Tamper-supervised per NFPA 24 Section 6.2.9.4, monitored at central campus fire alarm command center per CAN/ULC-S524.

Data center incoming mains. Equinix TR1 Toronto, Cologix TOR1, Cyxtera TOR1, IBM Cloud Toronto data centers with UVPIV-6-PIVA or UVPIV-8-PIVA on incoming sprinkler main and separate PIV on clean agent room protection loop. Tamper-supervised, monitored 24/7 NOC.

Pearson Airport YYZ fire mains. GTAA airside fire mains feeding Terminal 1, Terminal 3 and cargo ramps with UVPIV-8-PIVA and UVPIV-10-PIVA at airside/landside boundary isolation. Freeze-protected extension stems for airside -30 C exposure.

University and college campus mains. University of Toronto St. George, Scarborough and Mississauga campuses, York, Ryerson, McMaster, Waterloo campus fire mains with UVPIV-6-PIVA and UVPIV-8-PIVA at building isolation. TFS and campus facilities approval.

Industrial plant fire loops. Ford Oakville, Honda Alliston, Toyota Cambridge, Stellantis Brampton and Sarnia petrochemical plant fire loops with UVPIV-8-PIVA and UVPIV-10-PIVA at building/zone isolation. FM Global and NFPA 24 compliant installation.

Frost protection and winter installation for Ontario

Minimum bury depth. OBC and Toronto Water standards require minimum 1.8 m bury depth for municipal water mains and 1.2 m for private fire service mains below grade. UVPIV-EXT extension stem kits accommodate 3 to 12 ft operator stem length for standard Toronto bury installations.

Telescoping operator stem. UVPIV operator stem is non-rising telescoping design with stainless steel drive pin and bronze operating nut. Open/Shut indicator window glazed with polycarbonate rated for -40 C to +60 C operation.

Frost break design. Factory-installed frost break at indicator post base prevents ice wedging. Epoxy-coated cast iron post with weep hole drainage for condensation management through freeze/thaw cycles.

Salt and de-icer corrosion. Fusion-bonded epoxy coating AWWA C550 and 316 stainless hardware resist Ontario road salt, calcium chloride and magnesium chloride de-icers common on Pearson Airport airside, 400-series highway service areas and urban Toronto streetscapes.

Related products for complete Toronto private fire service main package

Fire pumps. UVFP-HSC, UVFP-ES and UVFP-VIL fire pumps to feed private fire service mains per NFPA 20 and NFPA 24 Chapter 7. See Fire Pumps Toronto.

Butterfly valves. UVB-G310 grooved butterfly with integral tamper for indoor sprinkler control valve applications. See Butterfly Valves Toronto.

Gate valves. UVG-OS&Y rising stem gate valves for indoor sprinkler control per NFPA 13 Section 16.9.3. See Gate Valves Toronto.

Check valves. UVC-NR silent-closure check valves for fire pump discharge and backflow prevention. See Check Valves Toronto.

Hydrants and FDC. UVFH dry barrel fire hydrants per AWWA C502 and UVFDC fire department connections per NFPA 14. See Fire Hydrants Toronto.

Frequently asked questions (Toronto)

Is UNIVAL accepted by TFS? Yes. UNIVAL post indicator valves are UL 789 Listed, FM 1110 Approved and CAN/ULC-S543 compliant. TFS accepts listed PIVs with factory submittal, OBC compliance letter and NFPA 24 Chapter 6 private fire service main documentation.

Do I need a PIV on my sprinkler incoming main? NFPA 13 Section 16.9.3 requires the sprinkler control valve on the incoming main be an indicator post, OS&Y, listed butterfly or listed equivalent. For outdoor underground main, the standard Toronto solution is a UVPIV-6-PIVA or UVPIV-8-PIVA.

What about direct bury vs roadway box? Standard green lawn and landscape applications use UVPIV-PIVA direct bury with extension stem. Paved surface (parking lot, airport apron, loading dock) uses UVPIV-6-RB roadway box PIV with curb valve operator and marker plate.

Wall PIV vs yard PIV? Wall PIV (UVPIV-WPIV) mounts to exterior building wall for tight-site retrofits where yard installation is not feasible. Same UL 789/FM 1110 listing with wall-mounted indicator window.

What is the delivery time to Toronto? Factory-assembled UVPIV-PIVA ships 3 to 4 weeks from order. Stock UVPIV-6-PIVA and UVPIV-8-PIVA ship 1 to 2 weeks. Same-day truck freight from Toronto HQ.

How do I substitute Kennedy or Clow on a Toronto project? Submit substitution letter with UNIVAL UL 789/FM 1110/ULC certificates, factory submittal drawing and NFPA 24 Chapter 6 compliance. Engineer-of-record approval follows; TFS accepts listed equivalent substitutions.

Contact ValveAtlas for Toronto post indicator valve quotation

For PIV and PIVA quotations, Kennedy K81, Clow F-5850, Mueller A-20806, M&H 129 or AVK 01/80 substitution submittals for TFS approval, or factory-assembled NFPA 24 Chapter 6 private fire service main packages with tamper supervision and frost-protected extension stems for Toronto hospitals, data centers, Pearson Airport airside or campus fire loop projects, email the project civil drawings, bury depth, pipe size and fire alarm panel matrix to burakpadr@gmail.com or use the contact form. Same-day response on Toronto urgent orders.