Belimo ZG-LMSA-1 Shaft Extension maintaining electrical isolation between the

maintaining electrical isolation between the sensitive control logic and the inductive load side

it provides consistent millivolt output to the safety shut-off valve

and steel piping even under temperature fluctuations

Key Benefits Universal Compatibility: Engineered to fit the entire FS4-3 series and AF-1 / AF-2 / AF-3 air flow switch models

protecting the heat exchanger from improper combustion

Belimo ZG-LMSA-1 Shaft Extension maintaining electrical isolation between theThe Belimo ZG LMSA 1 Shaft Extension is a critical hardware component designed for field technicians requiring a 3 8 inch diameter shaft extension to bridge the gap between actuators and recessed or inaccessible damper shafts. This 4 inch length extension provides a stable, direct drive connection for LM series actuators and other compatible HVAC damper actuators requiring specific clearance. Built with professional grade materials, the ZG LMSA 1