Lennox 45P55 - (37003) 370 HVAC Silicone Sealant, Aluminum, 10.1 Ounce Cartridge
Ensure long-lasting, reliable seals in your HVAC installations with the Lennox 45P55 - (37003) 370 HVAC Silicone Sealant. This high-performance aluminum-colored silicone is specifically formulated for demanding HVAC applications, offering excellent adhesion, flexibility, and weather resistance across a wide range of surfaces and temperatures.
Packaged in a convenient 10.1-ounce cartridge, the 370 Silicone Sealant is ideal for sealing joints, seams, ducts, and other critical areas in heating, ventilation, and air conditioning systems. It resists cracking, shrinking, and moisture intrusion, maintaining its bond even under high thermal stress and vibration.
Key Features:
- Part Number: 45P55 / 37003
- Sealant Type: Silicone-based
- Color: Aluminum (metallic gray tone)
- Volume: 10.1 oz cartridge
- Application: HVAC systems – ideal for sealing metal ducts, vent pipes, plenums, and more
- Temperature Resistance: Maintains performance in high-temperature environments
- Weather & UV Resistant: Designed for both indoor and outdoor use
- Cure Time: Skins over quickly; full cure typically within 24 hours (varies with humidity and temperature)
Benefits:
- Provides a flexible, durable, and watertight seal
- Compatible with a variety of HVAC surfaces including aluminum, galvanized steel, and sheet metal
- Resists aging, cracking, and thermal cycling damage
- Easy to apply with standard caulking guns
Why Choose Beenimax.com?
Order with confidence from Beenimax.com — your trusted HVAC parts supplier. We offer fast shipping, reliable customer service, and competitive pricing tailored for contractors and professionals alike.
Ideal for both residential and commercial HVAC applications, the Lennox 370 HVAC Silicone Sealant is a professional-grade solution you can rely on for secure, long-lasting seals.