---
product_id: 368189175
title: "OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18\" Replaces Rheem Ruud Weatherking 79-21491-83"
brand: "onetrip parts"
price: "1457921₫"
currency: VND
in_stock: true
reviews_count: 5
category: "One Trip Parts"
url: https://www.desertcart.vn/products/368189175-onetrip-parts-furnace-pressure-switch-high-temp-tubing-3-16
store_origin: VN
region: Vietnam
---

# 3/16" I.D. x 18" length Replaces 35 OEM parts 392°F max temp rating OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83

**Brand:** onetrip parts
**Price:** 1457921₫
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your furnace’s heartbeat with precision tubing that never quits!

## Quick Answers

- **What is this?** OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83 by onetrip parts
- **How much does it cost?** 1457921₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/368189175-onetrip-parts-furnace-pressure-switch-high-temp-tubing-3-16)

## Best For

- onetrip parts enthusiasts

## Why This Product

- Trusted onetrip parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Direct replacement tubing connects pressure switch to draft inducer for quick furnace fixes.
- • **Universal Compatibility:** Replaces 35 different OEM part numbers across Rheem, Ruud, and Weatherking models.
- • **Risk-Free Two-Year Replacement:** Exclusive OneTrip Parts policy guarantees peace of mind with a 2-year limited replacement.
- • **Built to Withstand Extreme Heat:** Rated for up to 392°F to ensure reliable furnace performance under pressure.
- • **Precision Fit for Seamless Replacement:** 3/16" inside diameter and 18" length designed for direct OEM compatibility.

## Overview

OneTrip Parts Furnace Pressure Switch Tubing is a high-temp silicone rubber hose (3/16" I.D. x 18") designed as a direct replacement for 35 OEM parts across Rheem, Ruud, and Weatherking furnaces. Rated to withstand temperatures up to 392°F, it ensures durable, reliable performance and comes with a 2-year limited replacement policy for added confidence.

## Description

This silicone rubber tubing is the direct replacement for many Rheem, Ruud, and Weatherking furnace models. The 3/16 " I.D. tubing is 18" long. This is tubing that connects the pressure switch to the draft inducer on many furnace models. This part number replaces 35 different part numbers used on these furnaces over the years. This part is covered by the exclusive OneTrip Parts two year limited replacement policy. If this part fails within two years from date of purchase, return the defective part and a copy of the original invoice to the place of purchase for replacement. Contact the authorized OneTrip Parts dealer that you purchased the part from for details. Original equipment manufacturer's brand name(s) and part numbers are used for identification purposes only. This item is supplied by OneTrip Parts and meets or exceeds original equipment specifications.

Review: It is a special hose for the the inducer vac switch on our furnace. All very special.
Review: sadly will not be able to use as my furnace was too far gone for this simple fix. Had to replace furnace

## Features

- OneTrip Parts Two Year Replacement Policy
- 392 Degree F Temperature Rating
- Replaces 35 OEM Part Numbers
- 3/16" Inside Diameter - 18" Long
- Direct Replacement for Many Rheem, Ruud, and Weatherking Furnaces

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0081AOWK0 |
| Item model number | R-79-21491-83 |
| Manufacturer | OneTrip Parts |
| Product Dimensions | 45.72 x 0.48 x 0.1 cm; 45 g |

## Product Details

- **Brand:** OneTrip Parts
- **Manufacturer:** OneTrip Parts
- **Material:** Silicone
- **Product dimensions:** 45.7L x 0.5W centimeters
- **UPC:** 818742010696

## Images

![OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83 - Image 1](https://m.media-amazon.com/images/I/41qVw4e2CFL.jpg)
![OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83 - Image 2](https://m.media-amazon.com/images/I/51779XnN53L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by Q***N on 2 March 2024*

It is a special hose for the the inducer vac switch on our furnace. All very special.

### ⭐⭐⭐⭐⭐ Review
*by M***L on 1 February 2024*

sadly will not be able to use as my furnace was too far gone for this simple fix. Had to replace furnace

### ⭐⭐⭐⭐⭐ Review
*by A***R on 12 December 2025*

Good quality

## Frequently Bought Together

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-20*