---
product_id: 311718774
title: "Reliance 9000507-045 Lower Electric Thermostat, Black"
brand: "reliance"
price: "R$428"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/311718774-reliance-9000507-045-lower-electric-thermostat-black
store_origin: BR
region: Brazil
---

# Compact 25.4x10.16x7.62 cm Sleek black design Precision HVAC control Reliance 9000507-045 Lower Electric Thermostat, Black

**Brand:** reliance
**Price:** R$428
**Availability:** ✅ In Stock

## Summary

> 🖤 Master your comfort with sleek, smart simplicity.

## Quick Answers

- **What is this?** Reliance 9000507-045 Lower Electric Thermostat, Black by reliance
- **How much does it cost?** R$428 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/311718774-reliance-9000507-045-lower-electric-thermostat-black)

## Best For

- reliance enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** At just 68 grams and slim dimensions, it fits discreetly without bulk or clutter.
- • **Battery-Free Operation:** Forget the hassle of replacements—this thermostat runs efficiently without batteries.
- • **Effortless Climate Command:** Take full control of your heating system with reliable, precise temperature regulation.
- • **Sleek Minimalist Aesthetic:** Blend seamlessly into any modern space with a stylish black finish that complements your décor.
- • **Trusted HVAC Compatibility:** Designed specifically for heater systems, ensuring smooth integration and optimal performance.

## Overview

The Reliance 9000507-045 Lower Electric Thermostat is a compact, battery-free HVAC control device designed for precise heater temperature management. Its sleek black design and lightweight build make it an unobtrusive yet essential upgrade for modern heating systems.

## Description

Thermostat

## Features

- Item Category: Hvac Control Thermostat
- Item Trademark: RELIANCE
- Material: Mixed

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 25.4 x 10.16 x 7.62 cm; 68.04 g |
| Item Weight | 68 g |
| Specific uses | Heater |
| Batteries required | No |
| Included components | thermostat |

## Product Details

- **Brand:** Reliance
- **Controller type:** Amazon Alexa
- **Specific uses for product:** Heater
- **Connectivity technology:** Wi-Fi
- **Included components:** thermostat

## Images

![Reliance 9000507-045 Lower Electric Thermostat, Black - Image 1](https://m.media-amazon.com/images/I/615Jvw6An1L.jpg)

## Questions & Answers

**Q: Does this thermostat come with the plastic safety cover?**
A: Yes the thermostat comes with the plastic cover that snaps over the front of the housing.  Hope this help!  Mike

**Q: Your item is listed as "reliance 9000507-045" but the picture you have up shows an "apcom model wh9". Which one is correct?**
A: I replaced upper and lower thermostats on a Kenmore dual element 40gal water heater.  The part number on the packaging  for the lower thermostat is 100108422.  Both thermostats fit correctly,  popped right in and have worked perfectly since.  This lower  thermostat appears to be  a universal fit for just about every electric water heater made.  Hope this is helpful.

**Q: Is this for 110volts.**
A: 220

**Q: Is this Thermostat fit any brands?**
A: many are but you need to research what you have installed now. if you dont find it in the owners manual, you can do a web search to make sure of the fit .
i will say that this Thermostat i installed was a perfect fit and is working just fine.

## Frequently Bought Together

- Reliance 9000507-045 Lower Electric Thermostat, No Size, Black
- Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black
- Reliance Available 9000092-045 4500 Watt 240 Volt Screw In Flange Element, 1 in, Black

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**Shop now:** [https://www.desertcart.com.br/products/311718774-reliance-9000507-045-lower-electric-thermostat-black](https://www.desertcart.com.br/products/311718774-reliance-9000507-045-lower-electric-thermostat-black)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-28*