Item #861070

Aqualarm Low Oil Pressure Detector - 20111

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The Aqualarm Low Oil Pressure Detector is a closed detector that opens when boat engine Oil Pressure reaches 10 psi, sounding any connected panel mounted buzzers and red lights if pressure drops below 10 psi.


  • Durable construction with (2) terminals
  • Normally closed switch that opens at 10 psi and closes when pressure falls below 10 psi.
  • Prevents serious engine damage
  • Automatically warns of low oil pressure


  • Terminals: 2
  • Base: 1/8" MPT
  • Multi-voltage 12 / 24 / 32 Volt DC
  • Mounts in 1/8" Engine Block Hole

This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.

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Part Numbers for Aqualarm Low Oil Pressure Detector - 20111

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Hi, two questions, what is FPT? I have heard of NPT (national)and BPT (british) but can't find anything about FPT. Also what threads are 1/2? If the threaded end is 1/8? Thznk you

Asked by: Adam
The Low Oil Pressure Detector has 1/8" Male Pipe Thread(MPT). The Reference to 1/2" threads will be removed from the description.
Answered by: Upwind
Date published: 2023-11-13
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