EWC Controls ND-RSD-8X30 Damper Freon for applications requiring a NEMA

for applications requiring a NEMA 4X rating

ensuring stable superheat control across a wide operating range

this specific model is a pneumatic regulator designed exclusively for compressed air and non-corrosive gases

for natural gas systems

the pressure differential forces the stainless steel balls into the seats

EWC Controls ND-RSD-8X30 Damper Freon for applications requiring a NEMAAs a direct replacement for the legacy ZoneFirst ZDB 8X30, the EWC Controls ND RSD 8X30 is a professional grade motorized rectangular zone damper engineered for high static residential and light commercial HVAC systems. This 8" High x 30" Wide parallel blade unit features a 24Vac synchronous motor mounted on the 30" dimension to ensure high torque and reliable operation. Designed for power open, spring return closed applications, it provides a fail