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Gecko Control Pack Only IN.YJ2 Heat Recovery | 0612-221045-440
Gecko 0612-221045-440 is ideal for controlling the temperature of spas with no heater. It provides superior heat recovery (thermal transfer) and is an effective replacement for older TDI / Tridelta / Tecmark thermal transfer systems, as well as the discontinued Len Gordon HT-1000Y2K and Spa Builders...
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