Furnace Pressure Switch Silicone Rubber Tubing 3/16 Inch Inner Diameter By 18 Inch Length Replacement 79-21491-83 For Your Gas Furnace Setup Boilers And Heaters Built Tough With Easy Install

Furnace pressure switch tubing, 3/16 ID, 18 in long
✔️ Single replacement 3/16 ID silicone tube, 18 in long, red

This silicone tubing is designed to connect furnace pressure switches to the control system in gas furnaces, boilers, and heaters. It withstands high temperatures and keeps the seal tight under operation.

✅ 3/16 in inner diameter silicone tubing for furnace pressure switches
✅ 18 in length fits typical installations
✅ Color red aids quick identification in HVAC assemblies
✅ High-temperature silicone compound resists heat and chemicals

💡 What is a pressure switch silicone tubing used for in furnace systems?

It serves as a handy conduit for pressure signals in heating equipment.

- 3/16 in ID for tight compatibility with standard pressure switches
- 18 in length provides flexible routing in tight spaces
- Red color helps quick visual checks during servicing
- Rated for furnace-grade high temperatures and chemical exposure