The Johnson Controls V47AR-2 Temperature Actuated Modulating Valve is a precision HVAC control valve designed to regulate fluid temperature by automatically adjusting flow based on sensed temperature changes. With an operating range of 115°F to 180°F and a 1-1/2" connection size, it provides reliable modulation for heating and cooling applications. This valve is commonly used with boi... https://www.partshnc.com/1-12-tempactvlv-115180f