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Overview
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Normally open. Closes at 4 PSI. Single circuit with two insulated terminals. Switch has silver contacts enclosed in weatherproof case. 1/8" male pipe thread connection. If using on a water application (Rotax for instance) use |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Reviews
Verified Purchase
Hobbs Hr Mtr Pres Swch M4006-4
Looks new. Does it work? I don’t know - it will be months before I am at the stage of starting my engine
Verified Purchase
Hobbs Hr Mtr Pres Swch M4006-4
Received in a timely manner. Not yet opps checked
Verified Purchase
Hobbs Hr Mtr Pres Swch M4006-4
Verified Purchase
Hobbs Hr Mtr Pres Swch M4006-4
Product box was crushed in transit.
Verified Purchase
Hobbs Hr Mtr Pres Swch M4006-4
I had a pressure switch that was leaking and replaced it with this one which fixed the issue.
worked perfectly, easy install, and it looks great too !!!
Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
HOBBS HOUR METER PRESS SWITCH+ is the one to use with water applications.
The Hobbs Hr MTR Pres Switch M4006-4 is normally open and closes at 4 PSI. The 2 contacts are (NO) normally open and (C) closed.
Yes, the Honeywell Hobbs Hour meter pressure switch has male 1/8" NPT thread. These thread directly into the 1/8” pressure port on the engine.
The operating pressure of this unit is 4 PSI, with a maximum burst pressure of 500 psi.
Total length of the Honeywell Hobs pressure switch M4006-4 is approximately 2-1/2 inches.
The Honeywell Hobbs meters were used in many OEM production aircraft. However, they are not FAA Approved. Please check your aircraft parts manual or check with your local A&P mechanic to see if this can be installed in your certified aircraft.
Model No. M4006-4
Its basically a switch that will close the circuit at 4psi. One lead would go to the Hobbs meter and the other to a ground.
