MAXKOSKO Thermostatically Controlled Outlet, Automatic 38°F On / 50°F Off
195 in stock
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Description
Automatic Temperature Controlled Outlet for 120V Heaters
MAXKOSKO Automatic Temperature Controlled Outlet automatically supplies power to compatible 120V heating devices when the surrounding temperature approaches freezing and switches them off after the temperature rises.
The compact plug-in thermostat requires no wiring, programming, app, or temperature adjustment. Simply plug the controller into a suitable outlet, then connect a compatible heating device to the controlled receptacle.
This standard plug-style version is ideal when the outlet has enough clearance for the adapter. For tight outdoor outlet covers or more flexible plug placement, choose the slim temperature controlled extension cord version instead.
Automatic Freeze Control
Typically turns connected heating equipment on near 37°F (3°C) and off near 50°F (10°C).
Compact Plug Design
The thermostat and controlled outlet are built into one compact adapter without an additional extension cord.
Plug-and-Play Operation
No permanent wiring or daily adjustment is required. Connect the controller and compatible heater to begin automatic operation.
Power Indicator Light
The indicator illuminates only when the thermostat is supplying power to the connected heating device.
Reduced Heater Runtime
Automatically stops power after temperatures rise, helping reduce unnecessary winter energy use.
Fixed Temperature Control
A simple solution for freeze protection applications that do not require an adjustable temperature setting.
Important Before Ordering
Confirm the Fit and Connected Device
Standard Plug Shape: This controller plugs directly into the wall outlet. Confirm that there is enough space around the outlet and that any weatherproof cover can close completely.
120V Heating Devices Only: Use only with compatible 120V heating equipment that can safely restart automatically when power is supplied.
Fixed Temperature Setting: The activation and shutoff temperatures are preset and cannot be adjusted.
Mechanical Thermostat Tolerance: The actual switching temperature may vary slightly between individual units. Small variations are normal.
Not for Precise Control: Choose an adjustable digital thermostat with a remote sensor when your application requires a specific set temperature.
Keep the Connection Dry: For outdoor-related applications, use a protected outdoor outlet and suitable weatherproof in-use cover. Do not expose the plug connection to rain, snow, or standing water.
Check the Electrical Load: Confirm that the connected heater is within the safe rating of the controller, outlet, and electrical circuit.
Heating Equipment Only: Do not use with cooling fans, refrigerators, freezers, air conditioners, compressors, floor heating systems, baseboard heaters, HVAC systems, or 240V equipment.
Standard Plug or Extension Cord Version?
Choose This Standard Plug
Best when you want a compact one-piece adapter and the outlet provides enough clearance for the plug and connected heater cord.
Check Outdoor Cover Clearance
Make sure the weatherproof outlet cover can close fully without pressing against the controller or connected cord.
Choose the Slim Cord Version
Use the extension cord version when the standard adapter is too bulky for the outlet cover or more flexible positioning is needed.
Specifications
| Product Type | Automatic Temperature Controlled Outlet |
| Control Type | Fixed-Temperature Mechanical Thermostat |
| Operating Voltage | 120V AC |
| Typical Activation Temperature | Approximately 37°F (3°C) |
| Typical Shutoff Temperature | Approximately 50°F (10°C) |
| Design Type | Standard Direct Plug-In Adapter |
| Temperature Adjustment | Not Adjustable |
| Indicator Light | Shows When the Controlled Outlet Is Supplying Power |
| Installation | Plug-and-Play |
| Recommended Equipment | Compatible 120V Heating Devices Safe for Automatic On/Off Control |
| Primary Applications | Heat Tape, Freeze Protection Heaters and Small Winter Heating Accessories |
Recommended Applications View Applications Hide Applications
This automatic thermostat outlet is intended for compatible 120V heating devices that require simple freeze-temperature power control.
Pipe Freeze Protection
Compatible pipe heat tape, self-regulating heating cable, and constant-wattage heating cable suitable for external thermostat control.
Animal Water Systems
Compatible heated pet bowls, poultry water heaters, chicken coop heaters, and bird bath de-icers.
Outdoor Utility Areas
Compatible greenhouse, pump house, well house, garage, shed, and small utility-area heating devices.
RV Winter Protection
Compatible 120V heating accessories used for selected RV water systems and sheltered winter utility areas.
Check Compatibility Before Use
Automatic Restart Required: The connected device must resume heating automatically whenever the thermostat restores power.
Built-In Thermostat: If a heating cable already includes its own thermostat, the cable will operate only when both thermostats allow power.
Protect Outdoor Connections: Keep the controller, outlet, and connected plug dry and protected from animals, physical damage, and standing water.
Basic Setup & Placement View Steps Hide Steps
Step 1: Check the Heater
Confirm that the connected equipment operates at 120V and is suitable for automatic thermostat control.
Step 2: Check Outlet Space
Make sure the outlet and any protective cover provide enough clearance for the standard plug-style adapter.
Step 3: Plug In the Controller
Insert the thermostat controller directly into a suitable 120V electrical outlet.
Step 4: Connect the Heater
Plug the compatible heating device into the controlled outlet on the thermostat adapter.
Step 5: Position the Thermostat
Allow the controller to sense the actual surrounding air temperature of the area requiring freeze protection.
Step 6: Test Before Winter
Inspect and test the controller, heating device, outlet, and electrical connections before severe freezing weather.
Thermostat Placement Matters
Sense the Cold Environment: Position the controller where the surrounding air represents the temperature that should activate the heater.
Avoid Heater Contact: Do not place the thermostat directly against heat tape, a warm pipe, heater housing, or other heat-producing equipment.
Avoid False Readings: Keep it away from direct sunlight, warm vents, heated enclosures, insulation, and other artificial heat sources.
Outdoor Outlet Covers: Do not force a weatherproof cover closed over the adapter. Use the slim extension cord version when clearance is insufficient.
Frequently Asked Questions
At what temperature does the outlet turn on and off?
It typically activates near 37°F (3°C) and switches off near 50°F (10°C). Actual switching temperatures may vary slightly because the controller uses a mechanical thermostat.
Can I adjust the activation temperature?
No. The thermostat has fixed automatic temperature control. Choose a digital thermostat with an adjustable setpoint and remote sensor when precise control is required.
Why is the indicator light off after I plug in the controller?
The indicator light turns on only when the thermostat activates the controlled outlet. When the surrounding temperature is above the activation range, the light and connected heater remain off.
What is the difference between this product and the extension cord version?
The automatic temperature control function is similar. This model is a compact direct plug-in adapter, while the slim extension cord version provides more flexible positioning and may fit better inside tight outdoor outlet covers.
Can I use it with pipe heat tape?
Yes, when the heat tape operates at 120V, is within the safe electrical load, and is approved for external thermostat control.
What if the heating cable already has a built-in thermostat?
The heating cable will receive power only when this controller and the cable’s built-in thermostat both call for heat. An additional thermostat may not be necessary for every thermostatically controlled cable.
Why do two units activate at slightly different temperatures?
Small temperature differences are normal for mechanical thermostats. One controller may activate slightly earlier or later than another while still operating as intended.
Can this thermostat outlet be used outdoors?
It can be used for protected outdoor applications when connected to a suitable outdoor outlet beneath a weatherproof in-use cover. The adapter and plug connection must remain dry.
What should I do if the outlet cover cannot close?
Do not force the cover closed. Use the slim temperature controlled extension cord version, which provides more flexible placement and generally requires less space inside the outlet enclosure.
Can I use it with refrigerators, freezers, or cooling fans?
No. This controller is intended for compatible heating devices only. Do not use it with cooling appliances, compressor equipment, HVAC systems, floor heating systems, or 240V devices.
Before Connecting Your Heater
Confirm the following before using the automatic temperature controlled outlet:
- The connected device operates at 120V.
- It is a heating device rather than cooling or compressor equipment.
- It can restart safely whenever electrical power is restored.
- Its electrical load will not overload the controller, outlet, or circuit.
- The thermostat can sense the actual surrounding cold temperature.
- The outdoor outlet cover can close completely with the adapter installed.
- The plug and electrical connection will remain dry and protected.
- Your application does not require an adjustable temperature setting.
Questions & Answers
Have a Question?
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The thermostat only stays on 2 mins before cutting off for 30 mins. Temp will be 24 degrees.what causes thermostat to cut off?
Please send an email to maxkosko@maxkosko.com and provide your order ID. We will assist you with resolving the issue.
Looking forward to hearing from you!
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Does this work with all heat tape brands? Such as Frostex?
Yes.
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What is the maximum wattage that this plug can handle? I want to plug in a 1200 watt ceramic heater in a well pump house.
Yes, up to 1500 Watts. It also allows the cable to energize below 38°F and to turn off automatically at about 50°F.
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Can this be used outside to turn heating cables on? The info says "Only for dry location." and outdoors is wet!
It is damp out there. You can use a thin plastic bag around it and seal the ends up.