Standardized Compatibility: Adheres to ISO 4400 and EN 175301-803 Form A standards for seamless integration with existing solenoid coils

which is often required for 208V-240V equipment to ensure the circuit is completely de-energized in the OFF position

this normally closed solenoid valve is engineered with a rugged brass body to ensure durability in high-cycle environments

it handles fluid temperatures up to 212°F and remains stable in systems utilizing up to 60% glycol solutions

this component is vertical-hooded to optimize gas flow and prevent nuisance outages

Carrier 50ZZ401127 Circuit Board 326010-701 Standardized Compatibility: Adheres to ISOThe Carrier 50ZZ401127 Economizer Circuit Board is a critical direct replacement control module designed for precise HVAC economizer control in commercial rooftop units. As the direct replacement for the legacy HK50AA045, this board manages the logic for outdoor air dampers, utilizing integrated sensors to determine if ambient air conditions are suitable for free cooling. This OEM Carrier replacement part ensures seamless integration with existing