Z-Wave Heatit Z-TRM6 Electronic Thermostat
Works with your system
Based on manufacturer compatibility lists, our own tests and shared wireless standards.
On SmartThings, it needs Heatit's own driver.
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Compatibility Guarantee If it doesn't work with your system, return it within 30 days for a refund.
You'll also need
Home Assistant needs a Z-Wave adapter (usually a USB stick) to talk to Z-Wave devices; skip this if your Home Assistant box already has one.
Needed with: Home Assistant
Get it Tomorrow – Express UK Delivery
Get it Tomorrow – Express UK Delivery
Free UK delivery on orders over £75, otherwise £4.95.
Need it tomorrow? Choose Express (£7.95) at checkout.
In-stock items ordered before 2:30pm ship the same working day.
Smart Home Help When You Need It
Smart Home Help When You Need It
Transform your home into a smart one with us, and gain more than just a product.
You'll get set-up help and answers from our smart home team by email and live chat, plus a wealth of guides to help with any technical questions.
Compatibility Guarantee
Compatibility Guarantee
If Z-Wave Heatit Z-TRM6 Electronic Thermostat doesn't work with your existing system, you can return it within 30 days for a refund under our returns policy.
Request the return from your account and we'll send you an RMA number and instructions.
Summary
Versatile Z-Wave thermostat designed for electrical heating, featuring a built-in sensor and support for two external temperature sensors. It offers advanced features like SmartStart, active power metering, ZeroX technology, and supports three modes: Heat, Cool, and Eco, making it perfect for smart and efficient home temperature control.
Heatit Z-TRM6 is an electronic thermostat designed for electrical heating. The thermostat can be controlled through your Z-Wave network or via the buttons on the front. The thermostat has a user friendly interface.

The thermostat fits in standard European junction boxes and may be used with most System 55 frames. It has a sturdy metal frame for secure fastening on the junction box. The thermostat has one built-in room temperature sensor. Two additional external temperature sensors may also be connected.

Heatit Z-TRM6 has active power metering and it gives you real time information about your power consumption. It also allows you to set the power metering value manually in case of connection with a contactor.

The product has implemented ZeroX technology. This technology makes sure the relay switches at 0V when turning on and off. With this technology the thermostat will have a much longer lifetime.

The thermostat can be set up with multiple associations and can be used as a master thermostat. It can control up to 10 thermostats and 10 external relays E.g wall plugs.

Installaton Guide
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Device Type
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Switch TypesSingle Pole
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TechnologyZ-Wave Plus V2, Z-Wave 800 Series
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Z-Wave Region
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Operating Humidity
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Power230VAC 50Hz
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IP Rating
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Max Load
Payment & Security
Payment methods
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Frequently Asked Questions
What if it's incompatible with my existing smart home system?
What if it's incompatible with my existing smart home system?
If you try Z-Wave Heatit Z-TRM6 Electronic Thermostat and find it isn't compatible with your system, you can return it within 30 days for a refund.
How do I get set-up help?
How do I get set-up help?
Set-up help and answers from our smart home team by email and live chat. Just get in touch with any technical question you have.
Do you offer installation services?
Do you offer installation services?
While we don't offer direct installation services, we provide online support through guides, videos, and help from our smart home team by email and live chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.
What if I struggle with installing or using after purchase?
What if I struggle with installing or using after purchase?
Just get in touch. Our smart home team can help you work through set-up and troubleshooting by email and live chat, and our guides and videos cover set-up for many devices. Most problems can be sorted quickly with the right steps.
How quickly will I receive my order?
How quickly will I receive my order?
Orders placed before 2:30pm on a working day are dispatched the same day. In the UK, Standard delivery takes 2 to 4 working days and Express is a next-day service. If your order includes a Vesternet device, choose Standard at checkout and we upgrade the whole order to next-day at no extra cost. For orders outside the UK, delivery options and times are shown at checkout.
Why should I choose to buy from Vesternet over other online stores?
Why should I choose to buy from Vesternet over other online stores?
When you buy from Vesternet, you're not just purchasing a product. You get set-up help and answers from our smart home team by email and live chat, plus guides for the products we sell. While there might be cheaper options online, home automation can be complex, and good advice can prevent costly mistakes.
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