Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W

Modular Add-On for Expanding Commercial Heat Mats

This add-on unit daisy-chains to the Jump Start Commercial Heat Mat (MTMDU) to expand your seed starting area.

Bottom heat is one of the most effective ways to improve germination and rooting; this heavy duty modular mat provides uniform heat for hundreds of seedlings or cuttings, warming the root area 10 to 20 degrees Fahrenheit over ambient temperature.

Up to 4 add-on units can be daisy-chained to a single MTMDU, and the chain must include a Digital Heat Mat Thermostat (MTPRTC), sold separately.

Key Features & Benefits

• 60 x 21 inch mat — supersized for large propagation areas
• Daisy-chain ready — connects to up to 4 add-on units plus the MTMDU
• Rugged, waterproof connectors — built for repeated greenhouse use
• Warms root area 10-20°F over ambient — improves germination and rooting

Who Should Use This Add-On Mat

Growers expanding an existing Jump Start Commercial Heat Mat setup who need more seed starting area.

How It Connects

This add-on unit plugs into an MTMDU heat mat or another MTMDA mat; the mat at the start of the chain must be an MTMDU, which plugs into the Digital Heat Mat Thermostat (MTPRTC), sold separately.

Frequently Asked Questions

Can this unit be used on its own?

No, it's an add-on unit that must daisy-chain to an MTMDU Commercial Heat Mat.

How many units can be chained together?

Up to 4 add-on units plus the MTMDU, for 5 total.

What size is this mat?

60 inches by 21 inches.

Is a thermostat included?

No, the Digital Heat Mat Thermostat (MTPRTC) is required and sold separately.