Description
AC Infinity SUNCORE H3 Seedling Heat Mat with Digital Controller - AU Plug 240V
Quick Answer
The AC Infinity SUNCORE H3 is a 25.4 × 52.7 cm seedling heat mat supplied with a digital temperature controller and Australian 240V plug. Its far-infrared heating film provides distributed warmth beneath propagation trays, while the controller displays the current mat temperature and allows the setting to be adjusted.
Product Description
Add adjustable bottom heat to seed-starting and propagation setups with the AC Infinity SUNCORE H3.
The mat uses far-infrared film inside a multilayer PVC construction to distribute warmth across the propagation surface. Its sealed mat construction carries an IP67 rating and can be wiped clean after use. The connected digital controller displays the current mat temperature and the selected setting, helping users monitor and adjust warmth without relying on a separate controller.
This TG Hydroponics listing is the Australian electrical version with a Type I plug, 240V AC input and 20W maximum power draw. It is not the 100-125V version shown on the AC Infinity US product page.
Key Features
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25.4 × 52.7 cm mat suited to standard propagation trays
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Digital controller displays current and selected mat temperature
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Far-infrared film distributes heat across the mat
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Multilayer PVC construction is flexible and wipe-clean
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IP67-rated mat with sealed edges and cable connection
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Adjustable root-zone warming for indoor propagation
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Australian Type I plug
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240V AC, 20W Australian version
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Rolls for compact storage when cool and disconnected
Available Variants
The verified TG Hydroponics listing is model AC-SMH3 with an Australian 240V plug. No other size or electrical variant is offered on this product page.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | AC Infinity Inc. |
| Product | SUNCORE H3 |
| Model | AC-SMH3 |
| UPC | 819137024540 |
| Mat dimensions | 25.4 × 52.7 cm (10 × 20.75 in) |
| Outer material | Multilayer PVC |
| Heating material | Far-infrared film |
| Listed controlled range | 26.6-30.5°C (80-87°F) |
| Mat protection rating | IP67 |
| Australian input | 240V AC |
| Maximum power draw | 20W |
| Plug type | Australian Type I |
| Power source | Wall outlet |
Package Contents
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1 SUNCORE H3 seedling heat mat
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1 attached digital heat controller
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1 attached power lead with Australian Type I plug
Directions for Use
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Unroll the mat and place it flat on a dry, stable, well-drained surface.
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Position the propagation tray directly on the mat. Keep the surface beneath the mat free from sharp objects and heat-insulating materials.
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Connect the Australian plug to a suitable 240V AC outlet.
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Press the controller power button.
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Use the up and down buttons to select the required setting for the species and propagation method.
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Monitor the displayed mat temperature and the growing medium. Adjust the setting when necessary.
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Switch off, unplug and allow the mat to cool before cleaning, moving or storing it.
Care and Safety
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Keep the controller, plug and outlet dry.
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Do not immerse the mat, controller or electrical connections.
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Do not fold, crease, cut or puncture the mat.
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Do not place the mat over sharp objects or beneath heavy, uneven loads.
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Do not cover the mat with insulating materials that may trap excessive heat.
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Wipe the disconnected, cooled mat with a soft damp cloth. Do not use abrasive cleaners.
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Roll loosely for storage. Do not fold.
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Inspect the mat, controller and cables before use. Discontinue use if damaged.
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Use only with a compatible 240V Australian outlet and follow the instructions supplied with the product.
Frequently Asked Questions
What is the SUNCORE H3 used for?
It supplies adjustable bottom heat beneath seedling and propagation trays. It may also suit other controlled warming applications when used in accordance with the manufacturer’s instructions.
Does the controller show the actual temperature?
Yes. The controller displays the current mat temperature and the selected setting.
Is the whole product waterproof?
No. The mat is listed as IP67-rated, but the controller, plug and electrical outlet must be kept dry. Do not immerse any part of the system.
Is this the Australian version?
Yes. The TG Hydroponics listing specifies an Australian Type I plug, 240V AC input and 20W maximum power draw.
Can I use this Australian model on a 120V supply?
No. This listing is the 240V Australian version. Do not use it on an incompatible overseas supply.
Does the mat guarantee germination?
No. Germination depends on seed viability, species, moisture, growing medium, temperature and other conditions. The mat provides controllable warmth but cannot guarantee a biological result.
Can the mat be folded for storage?
No. Allow it to cool, then roll it loosely. Folding or sharply creasing the mat may damage it.
Customer Reviews
This is a ripper of a product. It's made a massive difference to my grow. I'm one happy customer.
Solid as a rock. This is a quality piece of kit that will last for years. Very happy with it.
This is the best thing since sliced bread. It's made my setup so much more efficient.
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This is a fantastic bit of gear. It's made a huge difference to my plants. Highly recommend.
I'm so glad I found this. It's a game-changer for my grow. You've got a customer for life.
This is a quality product. It's clear that a lot of thought went into the design. Very impressed.
I'm blown away by this. It's made my life so much easier. My plants are thriving.
This is a must-have. It's made a massive difference to my setup. Couldn't be happier.
Top-notch stuff. You can feel the quality. It's a proper piece of equipment that's built to last.













