Carrier P201 3401 Transformer 320734 701 the S1 THEC11NS thermostat is specifically the S1 THEC11NS thermostat is specifically designed for 1 stage heating and cooling For technicians performing maintenance or repairs on Williams Comfort Products a 40VA transformer can safely replace a 20VA or 30VA unit engineered to step down high voltage power to the standard 24VAC required for thermostats
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Carrier P201-3401 Transformer 320734-701 the S1-THEC11NS thermostat is specifically