The Conbraco 4A-205-A2F is a professional-grade 1-inch reduced pressure principle backflow preventer (RP4A) engineered for high-hazard domestic and commercial potable water applications

making it versatile for mixed-voltage control loops

this unit requires two 30 Amp cartridge fuses (sold separately) to facilitate operation

verify the CWLE (Clockwise Lead End) rotation and shaft dimensions to ensure a precise mechanical fit

though they are equally effective for coil temperature and discharge air monitoring

Belimo ZONE120NO-S Actuator 321142-301 The Conbraco 4A-205-A2F is aFor reliable zone control in your HVAC systems, consider the Belimo ZONE120NO S actuator. This robust 120V spring return actuator is engineered for precise on off operation, ensuring your systems maintain optimal performance. As a normally open zone valve actuator, it defaults to an open position, providing fail safe functionality crucial for critical applications. It integrates seamlessly into various setups, requiring an AC 120 V nominal voltage and