providing tight tolerances that eliminate the need for manual belt matching

The V47AC-4 includes a Style 4 temperature bulb (11/16" diameter x 3 1/4" long) with a 6' capillary for remote sensing

You should verify continuity across the element terminals

Efficient Calibration: Simplifies the adjustment of minimum and maximum setpoints by providing stable test points for your volt-ohm meter

Systems using R410A require a synthetic POE (Polyolester) lubricant for proper miscibility

Velocity Boiler Works (Crown) 96-032 Vent Damper 340155-7024 providing tight tolerances that eliminateAs a field tech, you know that a failed flue damper is one of the most common reasons for a "no heat" call on a steam or hydronic system. The Velocity Boiler Works (Crown) 96 032 Vent Damper is the heavy duty, 6 inch factory replacement designed specifically for Crown boiler systems and Velocity steam boilers. This automatic flue damper is engineered to eliminate standby heat loss by sealing the vent pipe the moment the burner cycles off, keeping your