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The Lux Mechanical Thermostat PSM400SA is designed for 24VAC systems. This model provides manual control for single-stage heating and cooling setups. The thermostat features a horizontal mounting direction and is compatible with hydronic air handlers.
The Lux PSM400SA is a low voltage mechanical thermostat. It offers single-stage control for both heating and cooling systems. It is hardwired for reliable performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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