---
product_id: 345725204
title: "Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18\" Replaces Rheem Ruud Weatherking 79-21491-83"
brand: "onetrip parts"
price: "€ 47.25"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/345725204-furnace-pressure-switch-high-temp-tubing-3-16-i-d
store_origin: SK
region: Slovakia
---

# 3/16" I.D. x 18" tubing length 2-year replacement guarantee 392°F high-temp rating Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83

**Brand:** onetrip parts
**Price:** € 47.25
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your furnace safety with precision and confidence!

## Quick Answers

- **What is this?** 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?** € 47.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/345725204-furnace-pressure-switch-high-temp-tubing-3-16-i-d)

## 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

- • **Perfect OEM Fit:** Direct replacement for 35+ Rheem, Ruud & Weatherking models.
- • **Risk-Free Upgrade:** Backed by a 2-year replacement policy for total peace of mind.
- • **Reliable Electrical Specs:** 1A current rating with 2-terminal normally open contact ensures consistent performance.
- • **Optimized Tubing Dimensions:** 3/16" inside diameter and 18" length for seamless installation.
- • **Precision High-Temp Durability:** Withstands up to 392°F for ultimate furnace safety.

## Overview

The OneTrip Parts Furnace Pressure Switch is a high-temperature rated (392°F) direct replacement part compatible with over 35 Rheem, Ruud, and Weatherking furnace models. Featuring 3/16" I.D. x 18" high-temp tubing and a reliable 1A current rating, it ensures optimal furnace performance and safety. Manufactured in the USA, it comes with a 2-year replacement policy, making it a smart, risk-free upgrade for your home heating system.

## Description

Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83

## 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 |
|---------------|-------|
| Manufacturer | OneTrip Parts® |
| Country of Origin | USA |
| Item model number | R-79-21491-83 |
| Package Dimensions | 8.64 x 8.13 x 7.87 cm; 45 g |
| ASIN | B0081AOWK0 |

## Product Details

- **Brand:** OneTrip Parts
- **UPC:** 818742010696
- **Manufacturer:** OneTrip Parts®

## Images

![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/51779XnN53L.jpg)

## Frequently Bought Together

- OneTrip Parts Furnace Pressure Switch High Temp Tubing 3/16 I.D. X 18" Replaces Rheem Ruud Weatherking 79-21491-83
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- Upgraded Replacement fits Goodman Furnace Flame Sensor B11726-06

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**Shop now:** [https://www.desertcart.sk/products/345725204-furnace-pressure-switch-high-temp-tubing-3-16-i-d](https://www.desertcart.sk/products/345725204-furnace-pressure-switch-high-temp-tubing-3-16-i-d)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-08*