Can ZeroStart Transmission And Oil Pan Heaters Stay Plugged In Overnight?
Published 11/04/2025
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Question:
Can I leave either heater plugged in overnight, or is that too long? I plan to put one on the transmission fluid pan, and one on bottom of engine oil pan.
asked by: Mary
Expert Reply:
Yep, you're fine, Mary. Both the Zerostart Heat Magnet # ZE35MR and the Silicone Pad # ZE75MR have thermostats that cycle off around their rated temps, so they can safely stay plugged in overnight. Many users keep them on all night to ensure an easy morning start. Just be sure cords are clear of hot or moving parts, and unplug them when you're ready to start and hit the road.
What vehicle(s) do you plan to use these on?
Product Page this Question was Asked From
Zerostart Heat Magnet Heater - 2-1/2" Long x 4-3/8" Wide - 120V - 200 Watts
- Oil Pan Heater
- Magnetic Heater
- 120 Volts
- 200 Watts
- 2-1/2L x 4-3/8W Inch
- Zerostart
more information >
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