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RC SLL Seedling Heat Mat 10 x 20.75 in, 2 Pack

£27.78 (as of 24/08/2026 23:56 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The RC SLL Seedling Heat Mat is a 2 pack of 10" x 20.75" mats for seed starting, plant germination and related uses. It is described as waterproof, rated at 18 watts and stated to work in a 20-30°C (68°F-86°F) range. Check the tray size and whether you also need the matching RC SLL thermostat.

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Quick Summary

The RC SLL Seedling Heat Mat is a 2 pack plant heating mat set sized at 10" x 20.75". It is described as waterproof and includes power-off protection, with use for seed starting, plant germination and reptile applications.

The mat is also described as running at 18 watts and as working in a 20-30°C (68°F-86°F) temperature range. If tray size, power use or temperature range matters to your setup, these are the main points to check before choosing an offer.

Key Details

DetailVerified information and buyer relevance
Product typeSeedling heat mat for plant heating and related use.
Pack quantity2 pack, so this is a multi-mat set.
Size10" x 20.75", which is stated as suitable for standard 1020 trays.
Power18 watts, a useful check for power planning.
Temperature range20-30°C (68°F-86°F), the stated heating range.
Water resistanceDescribed as waterproof, so moisture exposure is a key buying check.
Protection featurePower-off protection is stated for the mat.

What to Compare Before Buying

  • Tray size: The 10" x 20.75" format is intended for standard 1020 trays, so check your tray dimensions first.
  • Pack quantity: This is a 2 pack, which matters if you need one mat or several growing stations.
  • Power use: The stated 18 watts helps you judge power needs for your growing area.
  • Heating range: Compare the 20-30°C (68°F-86°F) range with the temperature you want to maintain.
  • Moisture exposure: The waterproof finish is relevant if the mat will be used around watering or damp surfaces.

What Else You May Need

The mat is recommended for use with an RC SLL thermostat to regulate soil temperature. If temperature control matters in your setup, confirm whether that thermostat is included with the exact offer or needs to be chosen separately.

Before You Decide

Confirm the 2 pack quantity, the 10" x 20.75" size and the stated 18 watt rating before you choose an offer. If you want controlled heating rather than simple warming, check whether the matching RC SLL thermostat is part of the purchase.

Brand

RC SLL

Manufacturer

RC SLL

Product Group

Lawn & Patio

Part Number

BHS-1020

Model

BHD-100

Color

GREEN

Product Dimensions

20.75 x 0.50 x 10 inches

Size

2-Pack 10''x20.75''

Number Of Items

2

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