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normally open operation ensures system integrity during power interruptions
ensure the mating surfaces are cleared of old sealant and debris
000 BTU/hr to serve high-demand appliances
A common wire is recommended for constant power
providing a reliable solution for restoring factory-standard pressure drops across the coil
Belimo ZONE220N-35 Actuator 320788-704 normally open operation ensures systemThe 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.