---
product_id: 373281025
title: "Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2\" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters"
brand: "neefoir"
price: "€ 542.89"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/373281025-variety-home-supply-a-o-smith-by-honeywell-gas-control
store_origin: PT
region: Portugal
---

# SDWA certified low-lead safety 2" cavity for precise fit LED status indicator for diagnostics Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters

**Brand:** neefoir
**Price:** € 542.89
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your water heater’s heart with smart, safe precision!

## Quick Answers

- **What is this?** Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters by neefoir
- **How much does it cost?** € 542.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/373281025-variety-home-supply-a-o-smith-by-honeywell-gas-control)

## Best For

- neefoir enthusiasts

## Why This Product

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

## Key Features

- • **Power Without the Plug:** Thermopile technology powers the valve independently—no external power source required.
- • **Universal Compatibility:** Works flawlessly with A.O. Smith, State, American, Whirlpool, Craftmaster, and Reliance heaters.
- • **Certified Safe for Your Home:** Meets Safe Drinking Water Act standards for low lead, ensuring peace of mind.
- • **Precision Fit, Zero Guesswork:** 2-inch cavity ensures seamless compatibility with multiple top water heater brands.
- • **Smart Diagnostics at a Glance:** Built-in LED status indicator keeps you informed on system health and service needs.

## Overview

The Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 is a 2-inch stainless steel thermostat-compatible valve designed for seamless integration with major water heater brands. Featuring an LED status indicator for real-time diagnostics and powered by a thermopile system requiring no external electricity, this SDWA-certified valve guarantees safe, efficient gas control for your home’s hot water system.

## Description

Please feel free to contact us directly to determine if this is the correct gas valve for your water heater!!! We will need the model and serial number of the water heater to cross reference properly. The electronic gas control valve incorporates an LED status indicator that monitors system operation and service diagnostics. Gas control located within hot water heater uses a thermopile to generate the power needed to operate the electronic gas control without requiring an external power source. This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption). Thermostat is compatible with all A.O. Smith branded heaters including A.O. Smith, State Water Heaters, American Water Heater, Whirlpool, Craftmaster and Reliance. Product manufactured by Honeywell for A.O. Smith. Honeywell model # WV8840B1158. Please be aware part may come labeled RESIDEO as there was a corporate acquisition. It is still the correct Honeywell part!

## Features

- PLEASE PROVIDE MODEL AND SERIAL NUMBER OF YOUR WATER HEATER IF YOU NEED US TO DETERMINE CORRECT GAS VALVE PART NUMBER!
- Please be aware part may come labeled RESIDEO as there was a corporate acquisition. It is still the correct Honeywell part!
- Temperature control assembly 100262939 supplies the burner with gas to heat the water
- Honeywell gas control valve is compatible with all A.O. Smith manufactured products including A.O. Smith, Reliance, State, American, Whirlpool and Craftmaster branded heaters
- A service technician is recommended for the repair to ensure the gas supply line is leak free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | A.O. Smith by Honeywell |
| Part number | 100262939 |
| Item Weight | 1.1 Kilograms |
| Package Dimensions | 17.81 x 14.6 x 14.4 cm; 1.1 kg |
| Item model number | 100262939 |
| Size | 2 inches |
| Material | Stainless Steel |
| Item Package Quantity | 1 |
| Specification met | SDWA |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Stainless Steel
- **Brand:** Neefoir
- **Exterior finish:** Natural
- **Inlet connection size:** 0.75 Inches
- **Inlet connection type:** FNPT

## Images

![Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters - Image 1](https://m.media-amazon.com/images/I/41kMErAGbOL.jpg)
![Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters - Image 2](https://m.media-amazon.com/images/I/315H4XvXNVL.jpg)
![Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters - Image 3](https://m.media-amazon.com/images/I/31l7WwEjzcL.jpg)
![Variety Home Supply A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible with A.O. Smith, State, American, Whirlpool, and Craftmaster Brand Water Heaters - Image 4](https://m.media-amazon.com/images/I/81YwlIZkbZL.jpg)

## Frequently Bought Together

- AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2" Cavity Natural Thermostat
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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-28*