Guess the Object

Nope, but valiant effort Joe

 

fox eat chickens just not chicken wire

 

Garage door wheel to door attachment?

 

Good try @granite45 , but nope

 

Thanks for doing the next Guess Gentlesenior! My guess is some type of water heater pipe?

 

nice try @6Sailor9 , but nope.

hey all, I will be away from the computer until late tonight. Keep on trying

 

Fill pipe for a heating oil tank

 

Radiator drain valve.

 

Boiler, pressure relief valve?

 

A thermostat on a radiator, with the thermostat valve removed. To expose the valve itself.

 

Air bleed valve for the radiator. To alow water to top up the radiator.

 

Good guess @nudistguyny but incorrect

 

Excellent guess @Joe90 but wrong.

 

Very good guess @Bazz888 but wrong

 

Wow, great guess @Joe90 but wrong

 

Impressive @Joe90 but still wrong.

 

You folks are on the right path BUT this is more about air in than air/pressure out.

 

A self air bleeding valve in the loft, to prevent air locks in the heating system.

 

A conetor for outlet off an air compressors, for your air powered tools.

 

Sorry Joe, nope