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Contractors trust this part for its consistent switching capabilities and compatibility with various industrial motor control systems
The technical design features a high-grade EPDM O-ring and a stainless steel pressure pin to maintain a reliable seal against pitting and mineral buildup common in older hydronic loops
Proper seating within the burner tray slots is critical
specifically where high-efficiency air management and OEM part reliability are required to maintain system performance
Trane CNT1220 Limit Switch Contractors trust this part forThe Trane CNT1220 (officially updated to CNT01220) is a high limit thermal safety control engineered for precise HVAC over temperature protection. Designed as a direct OEM replacement part, this 160F auto limit switch monitors the supply plenum temperature to prevent heat exchanger damage or unsafe operating conditions. Utilizing a normally closed SPST (Single Pole Single Throw) contact configuration, it interrupts the gas valve or heating circuit