Watts Regulator Co. offers the new Boiler Energy Saver (BES), reducing energy costs by lowering the boiler water temperature during periods of warm weather and reducing standby heat loss. The BES also increases comfort levels by circulating hot water at a lower temperature during periods of warm weather, reducing temperature over-swing. The BES doesn't require separate room temperature sensing devices, outdoor temperature sensors or secondary thermostatic controls. Its built-in solid-state microprocessor accumulates data from a primary and secondary heating zone to control the boiler water temperature. Watts Regulator Co.