Johnny’s Commercial Heat Mat – Master

A key component to propagating seedlings like tomatoes, peppers, melons, and other crops that require soil temperatures of more than 70 degrees for the seeds to germinate. These commercial-grade heat mats are ideal for seed germination and plant propagation. Double-insulated, durable construction with patented waterproof seal around the edges to protect mats from damage. Each mat will accommodate 5 standard 1020 seedling trays. This Master Heat Mat includes a built-in waterproof cord so you can link up to 7 Add-On Heat Mats (#6276) to this one and expand your growing operation. Includes the Johnny’s quick guide to germination for various crops, based on findings from our Research Farm. ETL Certified for safety. 120 volts. 150 watts. 50/60 Hz. Includes 6′ power cord with 3-prong plug and 24″ daisy chain power cord. Dimensions: 21″ x 60″. NOTE: Designed to raise the soil temperature in the root zone 10 to 20 degrees above ambient air temperature.