Description
The Rheem 79-21491-83 Rubber Silicone Tubing is a durable, high-temperature 3/16″ x 18″ replacement tube designed for use in various Rheem furnace and HVAC applications. Its flexible silicone construction resists heat, cracking, and deterioration, ensuring dependable performance in pressure sensing, condensate routing, and combustion-related connections. This OEM tubing provides a reliable, leak-free path for airflow or fluid transfer, helping maintain safe and efficient system operation.
Key Features
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3/16″ inner diameter, 18″ length silicone tubing
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Heat-resistant and flexible design
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Ideal for pressure switch, inducer, and combustion applications
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OEM-quality tubing for reliable, leak-free performance
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Resists cracking, hardening, and deterioration
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Suitable for various Rheem HVAC and furnace models






