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QRFS - Thoughts on Fire BlogFire Extinguishers Fire Extinguishers ABC Dry Chemical Carbon Dioxide (CO2) Purple K Fire Blankets Mounting and Storage Covers Cabinets Vehicle Brackets Wall Brackets Accessories Decals Tamper Seals FDCs FDC Bodies Angled Residential Straight Exposed Flush Storz Snoots and Swivels Caps and Plugs Identification Plates Signs Fire Sprinklers Heads Uprights Pendents Concealed Pendents Horizontal Sidewalls Concealed Sidewalls Residential Senju Fire Sprinklers Tyco Fire Sprinklers Victaulic Fire Sprinklers Viking Fire Sprinklers Reliable Fire Sprinklers Obsolete Cover Plates Cleanroom Domed Flat Reliable Cover Plates Senju Cover Plates Tyco Cover Plates Victaulic Cover Plates Viking Cover Plates Escutcheons Adjustable (401) Extension Tubes One Piece Recessed Split Ring (Retrofit) Vaulted Ceiling Reliable Escutcheons Senju Escutcheons Tyco Escutcheons Victaulic Escutcheons Viking Escutcheons Trim Rings Spare Head Cabinets Guards and Shields Heavy Duty Head Guards Standard Head Guards Water Shields and Baffles Paint Covers Installation Tools Wrenches Cover Plate Tools Escutcheon Tools Shut off Tools Shutgun Sprinkler Gauges Flexible Drops System Components Drywall Access Doors Pre-Assembled Risers Sprinkler Extensions Cleaning Tools Fire Hose and Hydrants Hose Double Jacket Hose Rack and Reel Hose Single Jacket Hose Hose Adapters and Reducers Hose Nozzles Hose Valves and Caps Hydrant Caps Hydrant Storz Mounting and Storage Covers Pin Racks Reels Wrenches Fire Signs Fire Extinguisher Signs Decals and Stickers FDC Signs Aluminum Plates Aluminum Signs Brass Plates Chrome Plates Sprinkler Signs Aluminum Signs Decals and Stickers Egress and Exit Signs Pipe Markers Decals and Stickers Wrap Around Pipe Markers Sign Chain Pipe Black Iron Fittings Bushings Nipples Square Head Plugs CPVC Fittings Adapters and Reducers Bushings Caps Cement Couplings Elbows Pipe Tees Gaskets and Flanges Grooved Fittings Adapters and Reducers Caps Couplings Elbows Mechanical Tees Tees Hangers and Fasteners CPVC Hangers Beam Clamps Fasteners and Drivers Riser Clamps Swivel Rings Paint Markers Sealants and Greases Coupling Grease Cutting Oil Sealant and Seal Tape Sealant Brush Seismic Bracing Tools Boltbreakers Hole Saw Blades Pilot Clamps Tru Drill Wall Plates Test and Monitor Smoke Detector Testing Smoke Detector Test Kits Smoke Aerosols and Cartridges Smoke Dispensers Sensitivity Testers Scorpion (Mounted) CO Detector Testing CO Detector Test Kits CO Aerosols and Cartridges CO Dispensers Alarm Testing Battery Testing Duct Detector Testing SoundVoice Testing Other Detector Testing Heat Detector Test Kits Heat Detector Testers Universal Detector Test Kits Detector Testing EquipmentAccessories Removal and Cleaning Batteries and Chargers Access Poles Electronic Supervision Alarm Bells Flow Switches Pressure Switches Supervisory Switches Gauges Sprinkler Gauges Hydrostatic Test Pumps Flow Testing Bleeder Valves Hydrant Flow Nozzle Pitot Blades and Handles Pitot Gauges and Flow Test Kits Sight Glass Test Caps Valves Control Valves Butterfly Valves Powerball Valves Gate Valves OSY Valves Angle Valves Ball Drip Valves Ball Valves Bleeder Valves Check Valves Brass Check Valves In-Line Check Valves Riser Check Valves Swing Check Valves Globe Valves Hose Valves Pressure Relief Valves Test and Drain Valves Tools Breakable Locks Check Key for Backflow Valves Post Indicator Valve Wrench Valve Wheel Wrenches Valve Trim Kits Blog Search 888-361-6662 Sign In CartFire Extinguishers Fire Extinguishers ABC Dry Chemical Carbon Dioxide (CO2) Purple K Fire Blankets Mounting and Storage Covers Cabinets Vehicle Brackets Wall Brackets Accessories Decals Tamper Seals FDCs FDC Bodies Angled Residential Straight Exposed Flush Storz Snoots and Swivels Caps and Plugs Identification Plates Signs Fire Sprinklers Heads Uprights Pendents Concealed Pendents Horizontal Sidewalls Concealed Sidewalls Residential Senju Fire Sprinklers Tyco Fire Sprinklers Victaulic Fire Sprinklers Viking Fire Sprinklers Reliable Fire Sprinklers Obsolete Cover Plates Cleanroom Domed Flat Reliable Cover Plates Senju Cover Plates Tyco Cover Plates Victaulic Cover Plates Viking Cover Plates Escutcheons Adjustable (401) Extension Tubes One Piece Recessed Split Ring (Retrofit) Vaulted Ceiling Reliable Escutcheons Senju Escutcheons Tyco Escutcheons Victaulic Escutcheons Viking Escutcheons Trim Rings Spare Head Cabinets Guards and Shields Heavy Duty Head Guards Standard Head Guards Water Shields and Baffles Paint Covers Installation Tools Wrenches Cover Plate Tools Escutcheon Tools Shut off Tools Shutgun Sprinkler Gauges Flexible Drops System Components Drywall Access Doors Pre-Assembled Risers Sprinkler Extensions Cleaning Tools Fire Hose and Hydrants Hose Double Jacket Hose Rack and Reel Hose Single Jacket Hose Hose Adapters and Reducers Hose Nozzles Hose Valves and Caps Hydrant Caps Hydrant Storz Mounting and Storage Covers Pin Racks Reels Wrenches Fire Signs Fire Extinguisher Signs Decals and Stickers FDC Signs Aluminum Plates Aluminum Signs Brass Plates Chrome Plates Sprinkler Signs Aluminum Signs Decals and Stickers Egress and Exit Signs Pipe Markers Decals and Stickers Wrap Around Pipe Markers Sign Chain Pipe Black Iron Fittings Bushings Nipples Square Head Plugs CPVC Fittings Adapters and Reducers Bushings Caps Cement Couplings Elbows Pipe Tees Gaskets and Flanges Grooved Fittings Adapters and Reducers Caps Couplings Elbows Mechanical Tees Tees Hangers and Fasteners CPVC Hangers Beam Clamps Fasteners and Drivers Riser Clamps Swivel Rings Paint Markers Sealants and Greases Coupling Grease Cutting Oil Sealant and Seal Tape Sealant Brush Seismic Bracing Tools Boltbreakers Hole Saw Blades Pilot Clamps Tru Drill Wall Plates Test and Monitor Smoke Detector Testing Smoke Detector Test Kits Smoke Aerosols and Cartridges Smoke Dispensers Sensitivity Testers Scorpion (Mounted) CO Detector Testing CO Detector Test Kits CO Aerosols and Cartridges CO Dispensers Alarm Testing Battery Testing Duct Detector Testing SoundVoice Testing Other Detector Testing Heat Detector Test Kits Heat Detector Testers Universal Detector Test Kits Detector Testing EquipmentAccessories Removal and Cleaning Batteries and Chargers Access Poles Electronic Supervision Alarm Bells Flow Switches Pressure Switches Supervisory Switches Gauges Sprinkler Gauges Hydrostatic Test Pumps Flow Testing Bleeder Valves Hydrant Flow Nozzle Pitot Blades and Handles Pitot Gauges and Flow Test Kits Sight Glass Test Caps Valves Control Valves Butterfly Valves Powerball Valves Gate Valves OSY Valves Angle Valves Ball Drip Valves Ball Valves Bleeder Valves Check Valves Brass Check Valves In-Line Check Valves Riser Check Valves Swing Check Valves Globe Valves Hose Valves Pressure Relief Valves Test and Drain Valves Tools Breakable Locks Check Key for Backflow Valves Post Indicator Valve Wrench Valve Wheel Wrenches Valve Trim Kits Blog (888) 361-6662 Orders Contact Us #450 – Why Building OwnersManagers Must Maintain Fire Protection Systems! April 26, 2024 April 23, 2024 Many building owners and managers know they must maintain fire protection systems, but many aren’t aware of some hidden issues and all the risks of not doing it. QRFS explains common compliance gaps and potential consequences. Tags fire protection maintenance , Fire protection systems Leave a comment #449 – Sprinkler Showdown: VK3021 vs TY323 vs V2708 vs RA1414 April 11, 2024 April 10, 2024 How can you choose between quick response pendent 5.6k fire sprinklers? QRFS compares Viking, Tyco, Victaulic, and Reliable models. Tags fire sprinklers , quick response pendent sprinkler Leave a comment #448 – Why Ball Drip Valves Don’t Totally Seal During Hydrostatic Tests March 28, 2024 March 27, 2024 Some water leaks out of the ball drip valve under an FDC while doing a hydrostatic test. Is this normal? Learn why it is and what to do....