VIVOSUN 48x20.75 digital thermostat seedling heat mat 2-pack with probes and digital temperature displays.

VIVOSUN 48x20.75" seedling heat mat with digital thermostat, power cords, and product specifications.

Seedling heat mat with trays for germination, optimal 68-86°F. Grow cherry tomatoes, chili, eggplant, and flowers.

VIVOSUN Far-Infrared Heating Tech seedling mat under green plants with heat arrows, showing >90% efficiency.

Black VIVOSUN 10x20.75 inch seedling heat mat, IP67 waterproof with water droplets, green text, & germination guide.

Multi-layered VIVOSUN seedling heat mat structure: flame-retardant PVC mats, uniform heating film, and safety certifications.

VIVOSUN adjustable digital thermostat, green display 87.5°F, 40-108°F (5-42°C), impact/vibration tested.

Vivosun 48″ x 20.75″ Seedling Heat Mat Digital Thermostat Combo - 2 Pack

Price:

$119.99 USD

Pay as little as
$11999/mo

for a term that suits you, up to 36 months.

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MODEL: WEB-330103x2CNJ

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Vivosun 48″ x 20.75″ Seedling Heat Mat Digital Thermostat Combo - 2 Pack

Struggling to achieve consistent germination and healthy propagation across large batches of seeds and cuttings? The VIVOSUN 48″ x 20.75″ Seedling Heat Mat Combo is the professional-grade solution, delivering reliable, uniform heat to maximize your success rate. This two-pack is engineered for serious growers and nurseries who demand precise environmental control.

Each powerful 105-watt mat provides consistent warmth across its entire surface, maintaining temperatures 10-20°F above the ambient room temperature. The included digital thermostat offers pinpoint control between 68-108°F (20-42°C), allowing you to create the perfect environment for any plant species. Built with an ultra-durable, water-resistant design that exceeds MET safety standards, this combo from the VIVOSUN lineup is built for long-term, continuous use, ensuring your propagation station runs flawlessly season after season.

What's Included

2 x VIVOSUN 48″ x 20.75″ Seedling Heat Mats
2 x Digital Thermostat Controllers

Features

VIVOSUN 48″ Seedling Heat Mat Combo digital thermostat controller

VIVOSUN 48″ Seedling Heat Mat Combo with four seedling trays

VIVOSUN 48″ Seedling Heat Mat Combo infrared heat distribution

VIVOSUN 48″ Seedling Heat Mat Combo water-resistant surface

🌡️

Precise Digital Control

Set and maintain exact temperatures from 68-108°F for optimal germination.

🌱

Extensive Coverage

Large 48″ x 20.75″ surface easily fits four standard 1020 seedling trays.

🔥

High-Power Heating

The 105W system provides consistent warmth, raising the root zone 10-20°F above ambient.

💪

Commercial Durability

Built for reliability with a flexible, water-resistant design and a 30,000+ hour service life.

✅

Simple Operation

An intuitive 3-button interface allows for effortless temperature setting and display changes.

🛡️

MET Certified Safety

Professional-grade construction exceeds MET safety standards for guaranteed safe operation.

Specifications

Specification	Value
Size	48″W x 20.75″L
Voltage	120V - AC
Wattage	105 Watts
Temperature Range	68-108°F (20-42°C)
Insulation Resistance	≥100MΩ500Vdc
Service Life	≥30,000 Hours

Warranty

Your investment is protected by a comprehensive 1-year warranty and a 30-day free return policy. VIVOSUN's professional support ensures you have dedicated customer service for your growing operations.

FAQs

What is the ideal temperature range for seed germination?+

Most seeds germinate best between 75-85°F (24-29°C). This mat's digital thermostat allows you to dial in the perfect temperature for your specific seeds, ensuring optimal conditions for success.

Can I place my seed trays directly on the mat?+

Yes, the mat is designed for direct contact with standard seedling trays. For even better results, consider using a humidity dome over your trays to retain both warmth and moisture, creating a mini-greenhouse effect.

How many standard 1020 trays can fit on one 48" mat?+

One 48" x 20.75" mat can comfortably accommodate four standard 10" x 20" (1020) seedling trays, making it perfect for large-scale propagation.

Is the thermostat controller easy to use?+

Absolutely. It features a simple 3-button interface to set your desired temperature and switch between Fahrenheit and Celsius. It is designed for simple plug-and-play operation right out of the box.

Can this mat be used for anything other than seedlings?+

Yes, it's also excellent for propagating cuttings, starting vegetable gardens indoors, brewing kombucha, or any hobby that requires a stable, gentle heat source. It's a versatile piece of VIVOSUN propagation equipment.

What makes this a professional-grade system?+

The combination of its large size, powerful 105W heating element, precise digital control, and a durable, water-resistant build with a service life of over 30,000 hours makes it suitable for serious growers. Learn more in our complete grow room setup guide.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

Most orders are processed within 24-48 hours after being placed.

Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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Vivosun 48″ x 20.75″ Seedling Heat Mat Digital Thermostat Combo - 2 Pack

Vivosun 48″ x 20.75″ Seedling Heat Mat Digital Thermostat Combo - 2 Pack

What's Included

Features

Precise Digital Control

Extensive Coverage

High-Power Heating

Commercial Durability

Simple Operation

MET Certified Safety

Specifications

Warranty

FAQs

Shipping & Returns

Customer Reviews

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