Timeguard TRT039 4 Zone Programmer
The Timeguard TRT039 is an excellent 4 channel digital programmer that offers great freedom and versatility to those who need several different zone options at the cheapest possible price. But that cheap price isn’t the same everywhere, as some plumbing outlets have priced this unit fairly high. And for what the TRT039 is capable of, it’s not hard to see why. However, it can be found much lower in price. Made specifically for fully pumped systems, the four channels work like this: 1 channel is for hot…
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