this model features an integrated low gas pressure regulator designed to maintain a consistent output to the burner regardless of minor fluctuations in the supply line

Standardized Electrical Specs: Operates on a standard 24V furnace control circuit for broad compatibility with existing transformers

Key Benefits: Factory-Calibrated Precision: Set specifically at

the internal ball plug may be sticking

Specifically designed to fit 3/8" diameter damper shafts or splined actuator shafts

Belimo AFRBUP-S Actuator 321142-301 this model features an integratedThe Belimo AFRBUP S is a heavy duty, spring return damper actuator designed for reliable on off control in demanding HVAC systems. Engineering 180 in lb of torque, this unit provides failsafe operation for large control dampers, ensuring mechanical spring return during power interruptions. Its universal power supply accepts any input voltage from 24 to 240 VAC, simplifying inventory and field replacements for commercial HVAC maintenance. Equipped with