NAVIEN 30009757A REMOTE CONTROL

SPECIAL ORDER ITEM. Review Returns Policy before purchase. The NR-20DU Remote Controller from the Navien Collection is an aquastat controller designed to regulate and limit liquid temperature in hydronic heating systems. It features SPDT switching for high limit, low limit, or circulator control, ensuring safe and efficient operation. Installation is straightforward and compatible with existing systems. The controller maintains consistent water temperature while protecting pumps and boilers from overheating. Its durable construction ensures reliable long-term performance. By precisely monitoring and controlling liquid temperature, it enhances energy efficiency, system safety, and overall comfort for residential or light commercial applications.