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The dry contact relay design ensures clean switching without introducing external voltage into the controlled circuit
Standard NEMA 1 (IP20) high-impact thermoplastic enclosure provides robust protection for interior installation on flat surfaces or 35mm DIN rails
The Belimo B329 is a high-performance 1 1/4 inch 3-way characterized control valve designed for precise flow control in demanding hydronic systems
The unit is rated for 200 PSI at 400
Thermal Resistance: Constructed from durable materials to handle constant flue gas exposure without warping
Johnson Controls NS-BHB7003-0 Sensor 326058-758 The dry contact relay designThe Johnson Controls NS BHB7003 0 is a professional grade Network Zone Sensor designed for seamless integration with Metasys field controllers, FECs, and VAV modular assemblies via the SA Bus. Engineered for high precision environmental monitoring, this model features a 3% humidity element accuracy and a 1k ohm platinum RTD (Class A) for reliable temperature sensing. The backlit LCD display provides real time visibility of zone conditions, while the