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OEM Precision: Direct replacement part ensures exact mounting hole alignment and scroll dimensions
replacing a lower-rated spring (such as a blue or green spring) with this 143-62-021-22 black/white spring allows the 143-80 regulator to reach an outlet range of 0
meaning the technician must physically press the button to restore the circuit after a 450°F trip occurs
Durable Construction: Engineered with thermal-resistant insulation to prevent wire fatigue in industrial heating applications
Dual Scale Display allows for simultaneous temperature monitoring in both Fahrenheit and Celsius for versatile reporting
Belimo ZONE320S-50 Actuator 322838-753 OEM Precision: Direct replacement partThe Belimo ZONE320S 50 Actuator is a robust 3 way zone valve engineered for precise flow control in hydronic HVAC systems. This assembly features a 3 4 inch sweat connection valve body, ideal for seamless integration into copper piping. With a substantial Cv rating of 5. 0, it ensures efficient fluid handling for chilled or hot water applications, accommodating up to 50% glycol. The integrated spring return actuator provides reliable on off control,
