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This rugged HVACR control module is polarity insensitive
provided you use the appropriate thermowell for immersion installs
The Belimo B331 is a high-performance 1 1/4 inch NPT 3-way characterized control valve engineered for precise flow regulation in demanding hydronic systems
immediately halting the heating cycle to prevent hazardous conditions
Technicians typically look for visible white or rusty streaks (condensate residue) around the flue collector box
Trane CNT5640 Pressure Control 326058-758 This rugged HVACR control moduleThe Trane CNT5640 Pressure Control is a critical safety and diagnostic component designed for precision sensing in HVAC systems. This SPST air pressure control functions as a differential pressure switch, monitoring airflow and ensuring the inducer motor or blower is maintaining the correct static pressure before allowing ignition or continued operation. Built for durability in high cycle environments, the CNT5640 provides reliable proof of flow,
US$ 32.00
US$ 38.00
US$ 33.90