System Sensor RTS2 Detection Accessory Els PW 17895 Bubbles generally signify a shortage

Bubbles generally signify a shortage of refrigerant or a pressure drop causing flash gas in the liquid line

1 1/4" FNPT bronze gas shutoff valve engineered specifically for high-capacity main burner applications

and PLT-5 models

or non-programmable options

Testing for 24V at the ALR terminal during a fault can confirm if the relay is functioning correctly

System Sensor RTS2 Detection Accessory Els PW 17895 Bubbles generally signify a shortageThe System Sensor RTS2 Remote Test Station is a specialized multi signaling accessory engineered for professional HVAC and fire safety contractors. This unit provides a centralized interface for the remote testing and monitoring of up to two InnovairFlex 4 wire conventional duct smoke detectors, eliminating the need for direct physical access to difficult to reach rooftop or ceiling mounted units. Operating on a 24Vdc power supply (20 29 VDC range),