---
product_id: 562848217
title: "tekmar | 518 | Thermostat | 1H/0C | Non-Programmable"
brand: "tekmar"
price: "¥38938"
currency: JPY
in_stock: true
reviews_count: 3
category: "Tekmar"
url: https://www.desertcart.jp/products/562848217-tekmar-518-thermostat-1h-0c-non-programmable
store_origin: JP
region: Japan
---

# Auxiliary sensor for outdoor/floor temp Precision PWM heating control Backlit easy-read display tekmar | 518 | Thermostat | 1H/0C | Non-Programmable

**Brand:** tekmar
**Price:** ¥38938
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay ahead of the chill with precision heating control!

## Quick Answers

- **What is this?** tekmar | 518 | Thermostat | 1H/0C | Non-Programmable by tekmar
- **How much does it cost?** ¥38938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/562848217-tekmar-518-thermostat-1h-0c-non-programmable)

## Best For

- tekmar enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Upgrade:** Direct replacement for tekmar 507/508 with optional adaptor plate for easy single-gang box install.
- • **Sleek Modern Control:** Minimalist push-button interface with remote control compatibility for intuitive operation.
- • **Readability Meets Style:** Large, backlit display ensures you never miss your ideal temp—even in low light.
- • **Smart Sensor Integration:** Auto-detects auxiliary sensors to monitor outdoor, floor, or remote room temps seamlessly.
- • **Effortless Temperature Mastery:** Pulse Width Modulation tech delivers pinpoint heating accuracy for ultimate comfort.

## Overview

The tekmar 518 Thermostat is a modern, non-programmable hydronic heating controller featuring Pulse Width Modulation for precise temperature regulation. It includes a backlit display for easy reading, supports auxiliary sensors for outdoor or floor temperature monitoring, and offers simple push-button controls. Designed as a direct upgrade for tekmar 507/508 models, it ensures effortless installation and reliable performance in radiant floor heating systems.

## Description

The Thermostat 518 accurately controls the room temperature for a hydronic heating zone using Pulse Width Modulation (PWM) technology. Simple up and down buttons and a display with large type make this thermostat easy to read and use. The 518 automatically detects a single auxiliary sensor to measure either outdoor, floor or remote room temperature. This easy to install thermostat is a direct replacement for tekmar Thermostats 507 and 508. An optional Adaptor Plate 012 is available which allows the thermostat to be installed onto a single gang electrical box.

Review: Compatible with my Watts Radiant thermostat
Review: No comment - Everything is just fine.

## Features

- Auto Heating Cycle
- Auxiliary Sensor Input
- Backlight
- Freeze Protection
- Outdoor & Floor Temperature Display
- Brand: tekmar
- Has backlight: True
- Control type: Button Control
- Controller type: Push Button, Remote
- Style: Modern

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00EWONLZQ |
| Additional Features | Programmable |
| Backlight | Yes |
| Brand | tekmar |
| Brand Name | tekmar |
| Color | White |
| Colour | White |
| Connectivity Technology | Wi-Fi |
| Control Type | Button Control |
| Controller Type | Push Button, Remote |
| Controller type | Push Button, Remote |
| Customer Reviews | 4.3 out of 5 stars 18 Reviews |
| Included Components | thermostat |
| Item Weight | 231 g |
| Manufacturer | tekmar |
| Model Number | 518 |
| Power Source | Adaptor |
| Product Style | Modern |
| Shape | Rectangular |
| Special features | Programmable |
| Specific Uses For Product | Radiant Floor Heating |
| Specific uses for product | Radiant Floor Heating |
| Temperature Control Type | Heating |
| UPC | 779655051803 |
| Voltage | 24 Volts |
| Wattage | 56 watts |

## Product Details

- **Brand:** tekmar
- **Colour:** White
- **Controller type:** Push Button, Remote
- **Special features:** Programmable
- **Specific uses for product:** Radiant Floor Heating

## Images

![tekmar | 518 | Thermostat | 1H/0C | Non-Programmable - Image 1](https://m.media-amazon.com/images/I/41zGBfd27QL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Compatible with my Watts Radiant thermostat
*by A***R on 22 March 2025*



### ⭐⭐⭐⭐⭐ No comment - Everything is just fine.
*by U***T on 2 February 2023*



### ⭐⭐ Very difficult to program.
*by A***R on 3 May 2023*



---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/562848217-tekmar-518-thermostat-1h-0c-non-programmable](https://www.desertcart.jp/products/562848217-tekmar-518-thermostat-1h-0c-non-programmable)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-24*