drip fed waste oil heating

Welcome to Drip Fed Waste Oil Heating.com
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These wetbacks, coils and ladder, can be made to fit your requirements. Price will vary depending on size.

They are all pressure tested for leaks. 

We only use Sil-fos as the joining solder, which requires the copper to be red hot before the silfos will melt. It's a very solid plumbers join.

Copper Coils Wetback, Made to order.

This is 15 metres of 12.7mm Refrigerating tubing. This coil is 280mm Diameter x 480mm high.

Priced at @ $170.00 USD or $240 NZD. Plus freight.

These have been built to fit inside the 18kg & 45kg heaters.


The above coil stretched out, ready to be installed in a 45 kg cylinder, the idea is each coil gets hot from the heat, rather than installing the above coil, where each coil shelters from the next. 12.7mm diameter x 15 metres.

$240.00 NZD.

Ladder Wetbacks Made to Order. Complete with Crox fitting to connect to.

This is built from 20mm copper pipe  Made to your measurements. 

This wetback is 180mm wide x 600mm long.

Priced @ $134.64 USD or $190.00 NZD. Plus Freight.

The price will vary depending on the size you order.

All joins are silfosed, and pressure tested for any leaks.

This ladder wetbacks comes complete with:

2 x 20mm Crox Nuts

2 x 20mm Hex Crox nuts and 2 x  Barrel Nipples

2 x20mm Crox olives.


Ladder Wetback.

This is made this wetback 25mm copper runners, with 20mm ladder pipes.

This wetback is 180mm wide x 500mm long.

Currently showing 4 ladders but comes with five.

Priced at $176.45 USD or $249.00 NZ Dollars. Plus freight.

All joins are silfosed, and the wetback is pressured tested for any leaks.

This ladder wetbacks comes complete with:

2 x 25mm Crox Nuts

2 x 25mm Hex Nipple or joiner

2 x25mm Crox olives.


The 25mm copper wetback when bigger is better, complete with 25 mm ladder pipes. All joints Sil-fossed. The copper needs to get to the next stage after red hot for the sil-Foss to weld.

Don't have the price, just made it today. Comes with 2 x 25mm crox nuts 2 x olives & 2 x 25mm hex barrel nipples. If your in the market for one like this email us. 

We can make them to your order.


Thank you for contacting us. We will get back to you as soon as possible
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