www.drip fed waste oil heating.com
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Welcome to Drip Fed Waste Oil Heating.com
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Wetbacks Fitted in these spa pool heaters. 20mm copper pipe above,  and to the right 25mm copper pipe with 20mm cross bars x 5.

Examples of the Spa Pool Heater. If you would like a plan made up for on how to build this please get in contact via the email form on this website.

Sandblasted and painted.

The low lying spa pool heater.

Heating spa pool via thermosyphon 

3-4 hours to 39-40C. And could be kept going on low once temperature has been achieved, to keep the heat up in the pool. 

If the unit was to be covered in ceramic blanket then this time would be shortened.

Run on Canola Oil or Vegetable oil, clean burning with fan controller.

Plans For this Spar pool heater are available here.$17.98 USD

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Under the Hawke's Bay Air Shed, these heaters can only to be operated using Canola oil. Although will work with all oils.

Our heaters have been viewed by 3 members of the District Council and has been approved under the building & emission.

So long as you do not store more than 5000 litres of oil on your property, and feed you heater with a 20 litre container, have safety oil collection setup in the case of a spill, have the correct fire protect against walls and ceiling. If installed inside a home then permits etc would be also required, however as 99 percent of these heaters are installed outside away from buildings, designed to heat your spa pools you would be within your rights.

The Regional Council says you can't burn Canola oil because it comes under Waste oil. Well this needs to be looked into if the EPA says it outside of the HSNO Act and ok to be used as a fuel, and you can burn it in a diesel car, or in a commercial business. It really does make you start wonder,e.g. there's a huge company across the road from the council heating the whole business with waste engine oil, I have seen it going at one stage not at it's best, billowing out thick black smoke OMG, however i'm sure it doesn't run like that normally. 

The book Animal Farm springs to mind.

And the EPA.

The EPA manages the Hazardous Substances and New Organisms Act 1996. Under this Act, only hazardous substances that are intended to be imported into or manufactured in New Zealand require a HSNO approval. 
The EPA respnded to my email by Dr David Weller, EPA with his reply, Please note that, according to the information available at the time 2016, Canola oil was deemed to be non-hazardous, and therefore would be exempt from the HSNO Act., it would probably be wise to seek advice from your District Council or Regional Council.
We have been working on these heaters now for 8 years on and off, we now have then to the stage where there is no smoke at all, even at startup or shutdown, and now pretty well full automated with the help of electronis timers & Wifi. 
I have looked at the neighbours approved clean air wood fire, which smokes badly for 1/2-3/4 of an hour before they get to temperature, and smokes again as more wood entries the fire we start to ask ourselfs whats going on. I give them credit soon after warm up there is just a heatwave exiting the flue.
The otherthing which gets me, is farmer Joe on the town boundary can light his 4 yearly rubbish stack of trees rubbish tyres, he's been building into a mountain, and all his smoke blows over the clean air town.
Oh, also found out everyone is within the law to light an open fire or contained fire to cook on. So if you need a hotplate welded onto your waste oil heater let us know.
At least we are not like India, burning tyres for power generation, you need to check this out on youtube. The kids are being born with all types of defects the people dieing of cancer.
It is possible to burn tyres cleanly, but better we need to look into gasifying them back to the materials they were made with. 3 litres of diesel can be recoverey from evey car tyre, I have looked into it but would require government funding to setup. Presently most tyres here end up in landfill, the council says a real shame. 

All the best.

Drip fed
We do mean well,  just the odd question now and then.


Dr David Weller
Advisor, Hazardous Substances Applications
HAZARDOUS SUBSTANCES AND NEW ORGANISMS
Environmental Protection Authority.


I also understand vegetable & canola oils is also Hazardous free.

These heaters have not been certified by Work Safe.

These heaters are designed to be install outside for radiator heating inside the home, or heating the the spa pool for free.