Belimo B250+AFRBUP Valve Assembly R-410A this model is designed specifically

this model is designed specifically for continuous pilot (standing pilot) applications and requires a thermocouple for operation

The pitch determines how much air is moved per revolution

Common Questions Is the Danfoss BML22S compatible with modern R410A systems

Common Questions Is the AL-161-4 a direct replacement for the AL-161-0-4-1

Can I use a shorter insert for this AAON model

Belimo B250+AFRBUP Valve Assembly R-410A this model is designed specificallyThe Belimo B250+AFRBUP is a heavy duty 2 way characterized control valve (CCV) assembly designed for precise hydronic flow control in demanding HVAC applications. This assembly combines a 2 inch NPT valve body with a high torque 180 in lb spring return actuator, ensuring reliable fail safe operation during power loss. Featuring stainless steel trim and a specialized characterizing disc, the B250 provides an equal percentage flow characteristic that