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The KMC Controls VCZ-4102BMBD is a high-performance 1/2" N/O 2-Way zone valve engineered for precise fluid management in commercial HVAC systems
replacing the entire assembly is the preferred solution to resolve persistent issues with ignition failure or unstable pilot flames caused by orifice clogging or carbon buildup
Evolution in trap design allows this unit to provide continuous automatic air venting at steam temperature
Efficient Operation: 277V single-phase design optimized for commercial high-voltage lighting and power circuits
while the secondary side provides extended 30-inch leads to reach distant terminal strips without additional splicing
Lennox 12J18 TXV Kit 328140-751 The KMC Controls VCZ-4102BMBD isThe Lennox 12J18 TXV Kit is a critical OEM component designed for high precision refrigerant metering in residential and light commercial cooling systems. This thermostatic expansion valve (TXV) is specifically engineered for R410A refrigerant applications, accommodating a capacity range of 1. 5 to 3 tons. For technicians performing a coil replacement or upgrading a fixed orifice system, the 12J18 ensures optimal subcooling by utilizing an external