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while the primary flow is 1/2" x 3/4" straight-through
the C658ES is engineered for continuous duty and high starting torque thanks to its capacitor-start design
making it compatible with high-pressure refrigerants like R-410A as well as R-22 and R-407C
preventing debris from fouling valve seats or obstructing orifices in your heating equipment
Siemens Building Technology QAA2280.FWNC Sensor 320734-701 while the primary flow isThe Siemens Building Technology QAA2280. FWNC Sensor is a high performance room temperature sensor designed specifically for integration with Siemens Terminal Equipment Controllers (TEC). This Full HMI unit provides precision environmental monitoring within a 55F to 95F (13C to 35C) range, making it an essential component for demanding building automation systems (BAS). Built without a manufacturer logo for a clean, professional aesthetic, it features
