I tested one mat the redi heat heavy duty propagation mat by phytotronics which claims to reach 49c.
Control two seed mats with one thermostat.
Will control up to 1000 watts of propagating mats and features easy plug in operation and a 70 to 90 degree control range.
Bn link digital heat mat thermostat controller for seed germination reptiles and brewing breeding incubation greenhouse 40 108 f 8 3a 1000w etl listed 4 5 out of 5 stars 3 961 18 99 18.
Without the use of a thermostat which they do recommend the highest i got was 30c which is plenty for starting seeds.
Electronic thermostat compatible with all heat mats.
Ipower 2 pack 48 x 20 warm hydroponic seedling heat mat and digital thermostat control combo set for seed germination black 4 3 out of 5 stars 8 88 99 88.
The thermostat controller also has an easy to read lcd screen display and a simple 3 button control panel.
Homes in north america typically run on one of two standards.
Controls seed bed temperature.
We re going to tie the two yellow wires together because this is a 120 mat.
The thermostat load wires are the ones in the center p p to attach two systems to one controller you would take these two yellow wires and if this were a 240 system these would be red.
While you might save about 10 buying a cheap seedling heat mat without a thermostat the benefits of having one are too big to ignore.
Can be set to specific temperature to allow for targeted germination of specific seeds cuttings and plants.
If heating mats only raise the temperature by 10f 5c then their benefit is much reduced.
Use with all of our economy seedling heat mat sizes.
Temperature is so important in the germination phase so having the thermostat will allow you to more finely control and set safety shutoffs.
You can see that we also have two black wires and we also have two green wires.
If you have low voltage heating furnace radiator forced air etc you more than likely have a central heating system with just one thermostat to control your entire home.
Compatible with all heat mats.
Although the seed warming mat and the thermostat controller are super easy to use instructions and growing tips are printed on the mat for your convenience.