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and ventilation flow monitoring
The Carrier HH79NZ026 is a high-precision outside air temperature sensor engineered for commercial and residential HVAC applications
making it a reliable choice for load trending and fan or pump status verification
Its lugged body configuration allows for bidirectional dead-end service and simplifies downstream maintenance
Each kit includes the necessary capscrews for a secure mechanical seal to the valve body
Siemens Building Technology 188-0031 Stat 320788-703 and ventilation flow monitoringThe Siemens 188 0031 (Model TH 188D) is a professional grade unit mount pneumatic thermostat designed for precision control in fan coil units and unit ventilators. As a direct acting (DA) instrument, it employs a liquid filled sensing element and a remote bulb to provide gradual acting control of heating or cooling mediums. Operating on a force balance principle, this thermostat ensures high linearity and rapid response to temperature fluctuations
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