Dual Fuel Vans

Rob Grady

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I am considering buying a gas/propane fueled Chevrolet van. Has anyone ever installed a Little Giant Heater to the existing propane supply, or would there be a need to have a separate tank installed to supply heater?
My question is, would there be enough pressure to supply both the vehicle engine and the heater unit?
 

Matt Wood

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Have you contacted a fuel heated truckmount dealer with this question? I'd give TCS in Atlanta a call and ask them. They're a good crew that should be able to answer that question.
 

Cleanworks

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I am considering buying a gas/propane fueled Chevrolet van. Has anyone ever installed a Little Giant Heater to the existing propane supply, or would there be a need to have a separate tank installed to supply heater?
My question is, would there be enough pressure to supply both the vehicle engine and the heater unit?
We used to have a lot of those years ago. I worked for a company that had duel fuel vans and we ran lg's from the vehicles propane tank. Not sure how it was hooked up. I think it was a separate supply line and regulator from the top of the tank.
 

KevinD

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Kevin Dumas
Heaters need a separate tap coming out of the lp tank for vapor along with a proper vapor regulator.
The vehicle runs on a liquid tap.
 

Shane T

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Thanks for the replys. So I am reading into this that the supply tank would need two separate fittings, or a 'tee' to make it work?
A tee won't work. The vehicle uses liquid propane gas and the heater needs the vapor propane gas. Two different taps.
 

Shane T

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No. The tank will have liquid and vapor in it. The vapor is removed from the upper portion of the tank and liquid from the lower.
 
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Cleanworks

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Best to see a RV guy who does tank certifications. They should have everything you need. I believe the old units we used had a vapour connection that was separate from the vehicle connection. Not teed. It came from the top of the tank.
 

Shane T

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Go to your local propane dealer. He will fill you in on what is needed. It's very likely your tank will need to certified if any alterations are made.
 
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