Belimo ZONE220N-35 Actuator 318172-701 using a factory-authorized heat exchanger

using a factory-authorized heat exchanger is the only way to maintain the original safety listings and performance curves of HVAC equipment like the GR6GD or GR8GD series

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

Extreme Weather Protection: The Totally Enclosed Air Over (TEAO) enclosure prevents dust and water ingress

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

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

Belimo ZONE220N-35 Actuator 318172-701 using a factory-authorized heat exchangerThe 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.