{"product_id":"hydrofarm-digital-thermostat-controller-for-heat-mats-water-resistant-probe-6-cord-etl","title":"Hydrofarm Digital Thermostat Controller for Heat Mats — Water-Resistant Probe, 6' Cord, ETL","description":"\u003cstrong\u003eThe Hydrofarm JumpStart Digital Thermostat Controller keeps heat mats at a precise root-zone temperature using a water-resistant probe and selectable °C\/°F readout.\u003c\/strong\u003e\n\n\u003cp\u003eDesigned for growers and hobbyists who need reliable, hands-off warmth control, the JumpStart MTPRTC pairs with any heat mat to maintain steady temperatures for seedlings, cuttings, small pet enclosures, and temperature-sensitive projects. The unit features a 6-foot probe cord, digital setpoint control, LED heating indicator, and an ETL safety certification for measured, safer operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the JumpStart thermostat ensure consistent temperatures for seedlings and cuttings?\u003c\/h3\u003e\n\u003cp\u003eThe digital controller monitors soil or tray temperatures through its water-resistant probe and switches the heat mat on or off to hold the chosen setpoint. Because it reads the actual root-zone environment instead of ambient air, it keeps propagation conditions stable without constant manual checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDigital temperature selection from 68°F to 108°F (20°C–42°C approximate)\u003c\/li\u003e\n  \u003cli\u003eWater-resistant probe with 6' cord for flexible placement in trays or pots\u003c\/li\u003e\n  \u003cli\u003eLED indicator shows when the heat mat is actively heating\u003c\/li\u003e\n  \u003cli\u003eChoice of Celsius or Fahrenheit readout for regional preference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this controller for pets, homebrewing, or other non-plant projects?\u003c\/h3\u003e\n\u003cp\u003eYes — the JumpStart controller expands a heat mat’s usefulness beyond propagation. It maintains specific temperatures for reptile terrariums, arachnid enclosures, fermentation vessels, and other small heated environments where steady warmth matters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with all standard heat mats and similar low-voltage heating pads\u003c\/li\u003e\n  \u003cli\u003eTemperature range suitable for many pet and hobby needs\u003c\/li\u003e\n  \u003cli\u003ePlug-in operation with three-prong grounded plug for safety\u003c\/li\u003e\n  \u003cli\u003eETL certification gives safety assurance for diverse applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and convenience features does this thermostat include?\u003c\/h3\u003e\n\u003cp\u003eThe JumpStart controller combines functional controls with safety-first design. The ETL certification confirms compliance with accepted safety standards, and the grounded plug, clear LED status, and simple digital interface make setup and daily use straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOnly ETL-certified heat mat thermostat available, per Hydrofarm specifications\u003c\/li\u003e\n  \u003cli\u003eEasy-up\/down buttons for fast setpoint adjustments\u003c\/li\u003e\n  \u003cli\u003eDurable, water-resistant probe protects the temperature sensor during moist propagation\u003c\/li\u003e\n  \u003cli\u003e1-year limited warranty for added buyer confidence\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and position the probe for best results?\u003c\/h3\u003e\n\u003cp\u003ePlug the controller into a grounded outlet, plug the heat mat into the controller, and position the probe where it will read root-zone conditions rather than air temperature. Tucking the probe beneath the seedling medium or against the outside of a tray lid gives the most accurate control for germination and rooting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlace probe in media or under seedling tray for accurate soil temperature reading\u003c\/li\u003e\n  \u003cli\u003eUse the 6' cord to reach multiple tray locations or move between grows\u003c\/li\u003e\n  \u003cli\u003eAvoid direct contact between probe and heating element to prevent false readings\u003c\/li\u003e\n  \u003cli\u003eSelect Celsius or Fahrenheit display using the up\/down buttons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Growers who want reliable, hands-off temperature control for propagation, hobbyists maintaining small heated enclosures, and anyone seeking a safer, ETL-certified way to expand heat mat functionality. If you use heat mats for seedlings, cuttings, pets, or fermentation, the Hydrofarm JumpStart thermostat adds precision, safety, and convenience to your setup.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature range does the JumpStart controller support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It controls heat mats from 68°F to 108°F and can display readings in either Fahrenheit or Celsius.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the thermostat safe to use with any heat mat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s compatible with standard heat mats and is ETL-certified for safety when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":56830321262932,"sku":"B000NZZG3S","price":52.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hydrofarm-jumpstart-front-controller.jpg?v=1787003563","url":"https:\/\/gardenluxe.co.uk\/products\/hydrofarm-digital-thermostat-controller-for-heat-mats-water-resistant-probe-6-cord-etl","provider":"Gardenluxe Uk","version":"1.0","type":"link"}