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This switch is typically used in Trane and American Standard furnaces where a high limit safety is required to open on rise at 170°F
Pressure switches must match the manufacturer's specified W
F without requiring manual technician intervention
When diagnosing furnace pilot outages or cycling issues
Key Benefits Thermal Protection: Forms a critical condensate seal that isolates the steam gauge from extreme process temperatures
White-Rodgers 1E56N-444 Thermostat This switch is typically usedThe White Rodgers 1E56N 444 is a professional grade, non programmable 24V thermostat designed for reliable control over single stage heating and cooling systems. Engineered with a snap action contact mechanism, this vertical model provides precise temperature regulation within a 50 90F range. This unit is highly versatile, supporting 1H 1C configurations as well as heat only or cool only setups. It is specifically compatible with 750mV millivolt
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