Laco Heat Seal Stick Epoxy Sealer 11.7 G Pen w/ Counter Display (12 Units/Order)

HVAC seal — Laco Heat Seal Stick Epoxy Sealer 11.7 G Pen w/ Counter Display (12 Units/Order)

The HVAC seal is a genuine OEM seal available at Cedars HVAC. We stock this seal for fast nationwide shipping from our Miami warehouse.

Product details

LACO Heat Seal Stick is an epoxy sealer intended for repairs on copper, aluminum, and other metals. It can be used with all refrigerants and ammonia, SO², gas, oil, and steam. Maintains pressures up to 450 PSI (31 Kg/cm²). Sold in a convenient 12 unit counter display box.

The Laco Markal heat seal stik is a premixed epoxy sealer that repairs leaks in 90 seconds. Features include: Stick melts, seals, and cures in one operation. Requires only 250° F from torch or heat gun. Melt the stick into the hole or crack, heat cure for a few seconds, and the job is done, Works on aluminum, copper, other metals, glass, and ceramics, Ideal for use on the high and low side of refrigeration systems, One-part epoxy, no mixing or measuring needed, Durable epoxy remains flexible to expand and contract with the metal surface. Will not chip or crack like brittle epoxies, Sealing temperature: up to 350° F (177° C), and Pressures: to 600 PSI (41 BAR). Typical Applications: Evaporator and condenser coils, High and low side refrigeration systems, Water and air piping and tubing, and Porosity leaks in metal castings.

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Why buy from Cedars HVAC

• Genuine OEM HVAC parts — not aftermarket substitutes
• Contractor-friendly pricing on every seal
• Fast nationwide shipping from Miami, FL
• Real HVAC expertise — call us at (305) 850-6693 if you need help confirming compatibility
• Financing available at checkout

About this part

This HVAC seal is part of our Solder And Brazing, Tools catalog. Contact us if you need help identifying compatible models or sourcing volume quantities. For installation guidance, always refer to the manufacturer documentation and consult a licensed HVAC technician where required.

Shipping and returns

Most HVAC seal orders ship the same or next business day from Cedars HVAC in Miami, Florida. Standard ground shipping covers the continental United States, and expedited options are available at checkout. Returns are accepted within 30 days on unopened, uninstalled parts — see our return policy for full details. International shipping is available on request; contact our team for a quote.

Frequently asked questions

Is this part new and in stock? Yes, we list only in-stock items. The HVAC seal ships from our Miami warehouse the same or next business day.

Will this seal fit my equipment? Compatibility depends on the model and revision of your existing equipment. If you need help confirming fitment for the HVAC seal, call us at (305) 850-6693 with your unit model number and we will confirm before you order.

Can I get a contractor or wholesale discount? Yes. Cedars HVAC offers volume pricing for licensed HVAC contractors, property managers, and resellers. Request contractor pricing or call us to set up an account.

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