Aqua-Hot 450 fuel burn.

[rpowers]

Question to Aqua-Hot 450 owners. How much fuel does yours burn in a 24 hr period? I have mine running and it’s suppose to get down to 4 degrees tonight. I know that they will shut off when fuel level hits a 1/4 tank. Per my gage I have between 1/4 and a 1/2 and was wondering if I need to unhook and go get fuel or will I have enough until tomorrow morning? Any advise would be appreciated.

[ByeTheWay]

Specifications suggest I burn .41 gallons per hour which calculates to a gallon ever 2 hours & 26 minutes

This is burn time not run time.

[Mr_D]

Originally Posted by ByeTheWay

Specifications suggest I burn .41 gallons per hour which calculates to a gallon ever 2 hours & 26 minutes

This is burn time not run time.

Same for my 600D unit.

[voltdoc]

The fuel burn is somewhere between .35 and .41 gal per hour depending where you look or who you ask. The latest version of the Service Manual says .40 gal/hr (page 8).

So that's how much fuel it burns when the burner is running. The amount the burner runs will vary with the outside conditions, what you have the thermostat set at, etc. The burner will normally never need to run continuously.

I can tell you that in just below freezing temps (30 degrees) with the floor heat going overnight our burner ran about 8 hours over roughly a 24 hour period. Not running the floor heat should save you some fuel. At 4 degrees outside temp I wouldn't be surprised to see the burner run at least half the time.

At .4 gal/hr if the burner ran half the time (12 hours) total fuel consumed would be about 5 gal per day. You should be OK.

[rpowers]

Thanks for all the replies. I have the floor heat set at 67 and zones 1,3 set at 57 and basement set at 60. I’m gone to let her go and see were I’m at in the morning.

[JTN8]

Mine stopped working closer to about 1/8 of a tank left of diesel. Electric side would still work but burner would not ignite. Filled up with diesel and took about two cycles for it to light back off.

[DoggieDaddy]

Just to avoid running low on fuel for the AH I always make a point of fueling up before I park for any length of time. Regularly fuel at about 1/3 tank when we are travelling.