With a 15°F differential

Precision Modulating Control: Maintains stable setpoints by varying water flow based on real-time temperature fluctuations

the Maxitrol R13110-1022 is specifically sized for the RV131 and 210J series

"drop-in" field replacement by technicians

The post-filter provides an extra stage of mechanical filtration to capture any particle "blow-off" and ensure maximum distribution of clean air

Belimo ZONE315N-25 Actuator 322057-301 With a 15°F differentialThe Belimo ZONE315N 25 is a high performance 3 way zone valve assembly engineered for precise hydronic control in commercial and residential HVAC systems. Featuring a 1 2" NPT female connection and a 2. 5 Cv flow coefficient, this unit is designed to manage hot or chilled water applications with tight shut off requirements. The integrated synchronous motor actuator provides reliable on off control, ensuring optimal thermal distribution across terminal