Hydronic System Cleaner to the rescue
September 1, 2026A New System Isn’t a Clean System By Vapco Technical Team | Aligned with ASHRAE & BSRIA BG 29 TLDR: A hydronic loop earns a chemical cleaning at three points in its life. Before commissioning a new one, before recharging an old one, and when a system starts dragging. Hydronic System Cleaner takes the dirt […]
Deionized Water in Glycol Systems: Stop Using the Hose
August 25, 2026Product Page Deionized Water in Glycol Systems: Stop Using the Hose TL;DR The water you mix with your glycol matters as much as the glycol itself. Tap water carries dissolved minerals and chlorides that build scale, pit metal, and burn through your corrosion inhibitors from the first circulation. Deionized water is stripped of those ions, […]
how-often-to-sanitize-an-ice-machine
August 17, 2026How Often Should You Sanitize an Ice Machine? (And Why Cleaning Isn’t Enough) visit product page TL;DR Vapco IMS Ice = food by the FDA Food Code: The equipment around it is held to a higher standard. 60-second contact time. Sixty seconds of wet contact on ice machine surfaces. Not five minutes standing around watching […]
Why Propylene Glycol Prices Went Vertical in 2026 — And Why They’re Not Going Back to “Normal”
July 28, 2026TL;DR Prices Spiked: Standard industrial-grade material jumped over 3x. Virgin material spiked even harder and was hard to find at any price. The Perfect Storm: A fire at LyondellBasell’s Bayport, TX propylene oxide plant; force majeure at Dow’s Freeport and Plaquemine facilities; the Iran conflict and Strait of Hormuz feedstock shock; refined glycerine (the bio-based […]
Why Formula History Matters When You’re Choosing — or Stocking — a Refrigerant Leak Sealant
June 24, 2026Why Formula History Matters When You’re Choosing — or Stocking — a Refrigerant Leak Sealant Refrigerant Leak Sealant History — One Formula, No Changes Xpress Seal runs on the same organosilane formula that created the refrigerant leak sealant category in the early 2000s. Vapco acquired the rights to sell that line in 2016. The chemistry […]
Refrigerant Leak Sealant Has a Reputation Problem — Here’s Where It Actually Came From
June 22, 2026Refrigerant Leak Sealant Has a Reputation Problem — Here’s Where It Actually Came From Does refrigerant leak sealant damage compressors, TXVs, etc? Refrigerant leak sealant has damaged HVAC systems. It has clogged TXVs, fouled metering devices, and left residue in recovery equipment. Technicians who stopped trusting it made the right call based on what they […]
Purge Calculator
June 8, 2026Purge Performance & Job Calculator Why Flush, When You Can PURGE? ⚠ Important: Do not flush through compressors, TXVs, metering devices, filter-driers, capillary tubes, or other sensitive components. Isolate the line set before flushing. Always follow Vapco Purge application instructions, chase with dry nitrogen, and pull a vacuum to 500 microns or lower before charging […]
How To Flush Line Sets
June 8, 2026By Elliot Garner How to Flush HVAC Line Sets: The 140+ PSI Gold Standard Protocol TL;DR — Key Takeaways Equipment manufacturers are not banning line set flushing — they are warning against weak, low-pressure flushes (≤55 PSI) that trap solvent and destroy replacement compressors. A proper HVAC line set flush requires 140+ PSI delivery pressure […]
News Archive
June 4, 2026Why Your Wasp Spray Stops Reaching the Nest Halfway Through the Can
June 3, 2026Most wasp sprays claim 20-foot range. That number is only true when the can is full. Here's the aerosol physics behind spray pressure degradation — and why consistent range throughout the full can matters for job site safety.