As a critical component for maintaining HVI-certified air movement

matching the exact pitch and diameter is vital to prevent motor overloading or inadequate CFM

5" WC manifold pressure despite proper inlet pressure

Always check your specific burner head configuration to confirm the sensor-to-amplifier match

Verify the orifice size and pressure rating of your valve body to ensure the 10W magnetic lift is sufficient

Siemens Building Technology GBB136.1P Actuator 320734-701 As a critical component forThe Siemens GBB136. 1P is a high torque OpenAir electronic damper actuator designed for three position floating control in demanding HVAC applications. Engineered for non spring return (NSR) operation, this rotary actuator delivers 221 lb in (25 Nm) of torque, making it suitable for managing large dampers in constant volume (CAV) or variable air volume (VAV) systems. This unit features a robust all metal housing and a self centering shaft coupling