Common Questions and Specifications Is the Fasco D188 reversible

Reliable Power Specs: Operates on standard 24V AC power

Whether you are performing a field upgrade or replacing a Johnson Controls sensor

This board is primarily intended as a direct replacement for existing digital control systems within compatible HVACR equipment

Itron-Actaris 757631 Orifice 323055-751 Common Questions and Specifications IsThe Itron Actaris 757631 Orifice is a high precision 3 8" diameter aluminum orifice engineered for critical flow control in commercial and residential gas regulation systems. Specifically designed for compatibility with the Actaris B42 Series, including B42R, 043C, and B42N models, this component is essential for technicians performing gas regulator orifice replacement or system recalibration. The lightweight yet durable aluminum construction ensures