The Resideo VU443A1008 Valve Actuator is an advanced component that is used to control the flow rate of either water or steam in HVAC systems. This actuator works at 120 volts AC and 60 Hz to control temperature and fluid flow in different HVAC applications. It has a 4 second spring return timing so that it can open and close quickly and reliably. The actuator can operate at temperatures of 34°F to 125°F in normal environment and 200°F when the fluid is involved and therefore can be used in different environments.

For an efficient and reliable HVAC system, the Viessmann Electrode Block » is a great choice for optimal system performance.

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