Pro Series or Gold Series - which cable should I buy?
The short version: most people should buy Pro Series, and the Gold Series exists because it's the traditional way underfloor heating is installed in NZ.
Pro Series is a twin core cable. The heating filiment runs to the end and then returns inside the one cable, which means it has a single cold tail. You start at the thermostat, lay the cable out across the floor, and finish wherever you finish (usually under a hanging vanity). You do not have to plan a route that brings you back to where you started.
Gold Series is a traditional single core cable with a cold tail at each end. That means the layout has to be planned as a loop, because both ends must arrive back at the flush box. It is entirely workable and it is how underfloor heating was installed for years, but it takes more planning and leaves less room for adjusting as you go.
The warranty difference is a consideration. Pro Series carries a 25-year manufacturer's warranty. Gold Series carries 15-years. Both are covered by our 25-year installation warranty when we install them.
The price difference is another consideration. The Pro Series is a little more expensive than the Gold Series. The price difference is negligable in the smaller sizes of cable. However, the price difference is more noticable in the longer lengths of cable.
Time spent doing an install is another factor to consider. They say time is money! We find that the Pro Series is easier and quicker to install in larger sizes than the Gold Series.
Our guidance:
• Buy Pro Series if you are installing it yourself, if the room is an awkward shape, or if you want the longest warranty. The single cold tail removes the most common planning mistake we see.
• Buy Gold Series if you are more budget conscious or prefer to install the traditional way.
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