Belimo ZONE220N-35 Actuator 318172-701 187-inch bore is machined for

187-inch bore is machined for a secure fit on standard motor shafts

this single groove sheave facilitates precise power transmission within the blower assembly

Specifically engineerd for FXTQ and FXMQ series indoor units

it does not require field programming

This proving switch is essential for verifying air flow in rooftop units and ductwork

Belimo ZONE220N-35 Actuator 318172-701 187-inch bore is machined forThe Belimo ZONE220N 35 is a high performance 2 way zone valve actuator engineered for precise hydronic control in commercial and residential HVAC systems. Featuring a 3 4 inch NPT female connection and a 3. 5 Cv flow coefficient, this motorized valve assembly is optimized for high pressure close off applications. The spring return zone valve mechanism ensures failsafe operation, providing a reliable normally closed position during power interruptions.