this 2-inch valve assembly delivers the flow capacity required for large-scale commercial retrofits and new installations alike

This terminal board is versatile and used across central furnace

Rugged Environmental Protection: NEMA 4X rated and designed for hazardous locations (Class I

Advanced Metering: Equipped with a piston metering device (orifice size 65) and internal checks for TXV integration in high-efficiency heat pump systems

Siemens Building Technology QAA2280.EWSC Sensor 319825-402 this 2-inch valve assembly deliversThe Siemens Building Technology QAA2280. EWSC is a high precision, 6 wire analog resistive room temperature sensor engineered exclusively for integration with Siemens Terminal Equipment Controllers (TEC). This robust wall mount unit features a blank front design, providing a tamper proof solution for high traffic commercial environments where unauthorized setpoint adjustments must be prevented. Utilizing a reliable RJ 11 connection type, the sensor