Resideo T87N1000 Thermostat 318423-701 The unit supports up to

The unit supports up to 1/2 PSI maximum pressure and operates reliably on 277Vac electrical circuits

While the bore size is critical

which ensures a leak-tight seal in demanding residential air conditioning and furnace applications

ensuring a seamless fit and immediate restoration of pneumatic signal integrity without the bypass leakage often associated with budget aftermarket alternatives

Physical shaft play or visible grease leakage are also definitive indicators

Resideo T87N1000 Thermostat 318423-701 The unit supports up toThe Resideo T87N1000 represents the modern evolution of the iconic Honeywell Round thermostat, specifically engineered for reliable 24VAC control in residential and light commercial applications. This non programmable thermostat features a manual changeover design and is compatible with 1 stage heat 1 stage cool conventional systems as well as heat pumps without auxiliary heat. Built with a mercury free thermistor sensor, the unit delivers precise 1F