---
product_id: 741356207
title: "42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair"
brand: "funmit"
price: "$U9883"
currency: UYU
in_stock: true
reviews_count: 5
category: "Funmit"
url: https://www.desertcart.uy/products/741356207-42002-0024s-stack-flue-sensor-42001-0063s-high-limit-switch
store_origin: UY
region: Uruguay
---

# Prevents flue gas >500°F Universal Pentair compatibility Operates -20°C to 80°C 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair

**Brand:** funmit
**Price:** $U9883
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your spa game with precision heat control and safety you can trust!

## Quick Answers

- **What is this?** 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair by funmit
- **How much does it cost?** $U9883 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/741356207-42002-0024s-stack-flue-sensor-42001-0063s-high-limit-switch)

## Best For

- funmit enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** High Limit Switch automatically cuts off overheating, protecting your spa and peace of mind.
- • **Built to Last:** Premium stainless steel, rust-resistant materials designed for durability and long-term performance.
- • **Effortless DIY Upgrade:** Quick, tool-friendly installation with online video guides—save on costly repairs and downtime.
- • **Precision Heat Control:** Stack Flue Sensor keeps flue gas safely below 500°F for ultimate heater protection.
- • **Wide Temperature Range:** Heater Thermistor operates flawlessly from -20°C to 80°C, ensuring reliable spa warmth year-round.

## Overview

The Funmit replacement kit includes a Stack Flue Sensor, High Limit Switch, and Heater Thermistor, all engineered for universal compatibility with Pentair spa heaters. Crafted from rust-free stainless steel, these components ensure precise temperature regulation, prevent overheating, and offer easy DIY installation—delivering reliable, long-lasting performance that keeps your spa safe and inviting.

## Description

42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch

Review: Work well, Saved M-I-L $1,000s (and now we to use the spa when we visit I'm the winter 😉)
Review: Fixed my Pentair Mastertemp 400 Short Cycle - Service Heater Light issue

## Features

- 𝗨𝗡𝗜𝗩𝗘𝗥𝗦𝗔𝗟 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗜𝗟𝗜𝗧𝗬 - 42001-0053S Heater Thermistor & 42001-0063S High Limit Switch & 42002-0024S Stack Flue Sensor Replacement compatible with Pentair Sta-Rite, MasterTemp, Max-E-Therm pool and spa heaters electrical systems
- 𝗣𝗥𝗘𝗠𝗜𝗨𝗠 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 - Our products are made of stainless steel, rust free material, easy to install and sturdy to use. The Stack Flue Sensor prevents the flue gas output from exceeding 500 degrees F, 42001-0053S can operate temperature from -20°C to 80°C. Also 42001-0063S sensor detects when water temperature exceeds safe level and automatically opens heat exchanger outlet
- 𝗘𝗔𝗦𝗬 𝗜𝗡𝗦𝗧𝗔𝗟𝗟𝗔𝗧𝗜𝗢𝗡 & 𝗦𝗔𝗩𝗘 𝗠𝗢𝗡𝗘𝗬 - Find a video from Youtube, just take a few minute to replace following the video. Make sure the power is shut off before replacement, and wear work gloves to protect your hands.Save yourself from the high prices of the pool store or an expensive repair call
- 𝗣𝗔𝗖𝗞𝗔𝗚𝗘 𝗜𝗡𝗖𝗟𝗨𝗘𝗗𝗦 - 1pc*42001-0063S 1pc*42001-0053S 1pc*42002-0024S
- 𝗦𝗛𝗢𝗣 𝗪𝗜𝗧𝗛 𝗖𝗢𝗡𝗙𝗜𝗗𝗘𝗡𝗖𝗘 - Funmit adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. We stand by our products, and our customers are our focus as a business. If you have any quality problem, please contact Funmit customer service team in time, and we will try our best to solve your problems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Funmit |
| Item model number | 42001-0063S -- 42001-0053S -- 42002-0024 |
| Package Dimensions | 11.61 x 8.31 x 2.39 cm; 91 g |
| ASIN | B09SHH5FHJ |

## Images

![42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair - Image 1](https://m.media-amazon.com/images/I/61zocEgSW2S.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Work well, Saved M-I-L $1,000s (and now we to use the spa when we visit I'm the winter 😉)
*by B***C on 23 May 2025*



### ⭐⭐⭐⭐⭐ Fixed my Pentair Mastertemp 400 Short Cycle - Service Heater Light issue
*by B***Y on 9 April 2025*



### ⭐⭐⭐⭐⭐ Perfect fit and fix
*by S***I on 27 July 2024*



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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-14*