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The Nu-Calgon 4050-21 is an advanced leak sealant that simplifies the sealing of HVAC systems. It is designed to treat systems ranging from fractional to two tons. This product is particularly effective for split systems, heat pumps, and mini-split units.
This product offers a straightforward sealing solution, requiring no additional equipment like hoses or caulk guns.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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