Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21


This is the add-on unit for the MTMDU Commercial Heat Mat. You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area.

Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings.

  • Supersized mats: 60" x 21"
  • Rugged and durable with waterproof connectors
  • Daisy-chain up to 5 units (4 of these add-on units plus the the Commercial Mat MTMDU)
  • Plugs into an MTMDU heat mat and/or another MTMDA mat. The mat at the start of the chain must be an MTMDU, which plugs into our Digital Heat Mat Thermostat (MTPRTC) (required, sold separately)

Brand: Jump Start
Voltage: 120
Shipping Weight: 6.4 lbs.
Package Dimensions (inches): 21.0L x 5.0W x 5.0H
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