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This integrated boiler control monitors ignition timing
This 11-inch diameter by 10-inch width unit is engineered for drop-in compatibility
this shielded sensor is rated for extreme environments ranging from -40 to 302°F (-40 to 150°C)
Is this compatible with all True units
Resideo THX9421R5021WW Thermostat 323613-751 This integrated boiler control monitorsThe Resideo THX9421R5021WW is a high performance Prestige IAQ 2 Wire Thermostat engineered for technicians managing complex residential or light commercial HVAC systems. This high definition color touchscreen thermostat utilizes RedLINK wireless technology to provide comprehensive control over temperature and indoor air quality through a simplified 2 wire connection. When integrated with a Honeywell THM5421R1021 equipment interface module, it manages