oil tank fill whistle

had a new 275 gal oil tank installed. Oil company fills up but i ran out of oil in less than a week. Delivery man can not hear whistle and so he doesn't give enough oil fearing he will cause a flood. Had a tech come out and he blows air into fill line and there is no hearing the whistle outside the house yet it is heard standing next to oil tank in basement. What are some possible causes for this happening ?
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Robert Diiorio wrote:

Did your old tank have a whistling overfill protection and if it did could you hear it outside whwn oil was being pumped in?
Does your oil tank have extremely long fill and vent pipes? That might possibly account for it.
Have the tech blow air into the fill pipe and see if he can feel it coming out of the vent pipe. If he can't then something is disconnected in the vent pipe run. It could be venting somewhere else along the way.
(About 40 years ago I was chief engineer of the Scully Signal Company, makers of the Scully Ventalarm Signal, the "whistle" we're talking about.)
Jeff
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Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
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Robert Diiorio posted for all of us...

Along with what Jeff said; there is probably an air leak in the vent piping. The whistle looks like a metal mushroom. The co that installed the tank didn't test it. Shame on them.
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Tekkie

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