Question about Reddy Heater-170,000 BTU Kerosene Deluxe

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Still stumped tbugger

Took the cover off, replaced the fuel line with a clear one, fuel does notsiphon into the nozzle right away, 2nd or 3rd try (plugging in unit).Runs great...
Is there supposed to be some kind of in-line check valve to keep the fuel from returning into the tank? took off brass fittings and Teflon taped them inspected nozzle plate (no cracks), put old nozzle back in re-started unit, same thing the fuel doesn't get to the nozzle quick enough or is there some other type of vacuum leak?

Thanks Hojo

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  • hojo58 Jan 16, 2009

    I'll let you no what the heck it is, Like you say might be something really simple.

    Thanks again!

    Respectfully

    Hojo


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If your heater has a plastic nozzle adapter - check for a crack at its base. There could be either a vac leak- or a pressure leak at this point.

There is no check valve. And there is supposed to be a slight delay ( 2-3 seconds, maybe) in fuel pick up, but it sounds excessive, in your case.

One time, this is true, a do-it-yourselfer engineer had a similar problem. He had put a hardware store hose on his fuel pick up. The I.D. of the hose was slightly larger that factory specs, but it was all he could find. He fought the problem until he put his pencil to the weight of the column of liquid that the pump was attempting to lift, figured the column was too heavy, so he ordered a factory spec'd fuel line and that solved his problem, so he says.

Here's another wierd one. A customer brought a new heater into our shop for warranty. He was having a similar problem. Our veteran mechanic found that the nozzle had been factory overtightened into the nozzle adapter and the o-ring on the nozzle was partially restricting the fuel entry hole of the nozzle adapter. Now you know why we called him "Moses". He could work miracles.

You have a minor problem thats going to be hard to find. Just keep plugging away.

Posted on Jan 16, 2009

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