Designed specifically for integration with Williams Blower Accessory models 2101 and 2102

allowing for sensor replacement without draining the entire boiler loop

Zero Lubrication Required: Durable EPDM material provides 100% maintenance-free operation with high resistance to moisture and common industrial chemicals

Engineered as a high-precision damper linkage accessory

It is a unidirectional drier

Zonefirst AFC Freeze Control Designed specifically for integration withThe ZoneFirst AFC Freeze Control is a critical safety component designed to prevent indoor evaporator coil freeze ups in residential and commercial HVAC systems. Engineering for high reliability suction line mounting, this anti freeze up control utilizes a fixed temperature thermistor to monitor refrigerant line conditions. The switch is programmed to open at 38F, effectively breaking the circuit to the compressor to prevent ice accumulation, and