Disposable Filter Sizes
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Media Filters: Merv 10 & 11
The TopTech Programmable Multi-Stage Thermostats are compatible with low voltage single stage gas, oil or electric heating or cooling systems, including single stage heat pumps. The 5-2 day residential programming mode allows you to program Monday - Friday with one 4 event schedule and then allows you to change Saturday and Sunday with a different 4 event schedule.
The TopTech Value Series Non-Programmable Thermostat is for use with conventional or heat pump systems . It is compatible with low voltage multi-stage gas, oil or electric heating or cooling systems, including multi-stage heat pumps.