Resideo L4008A1015 High or Low Limit Remote Bulb Aquastat Controller 100°F-240°F

The Resideo L4008A1015 High or Low Limit Remote Bulb Aquastat Controller operates within a temperature range of 100°F-240°F to control boiler heating system. The device check water temperature through a distant bulb and turns the burner on or off to keep temperatures within specified ranges. The device protects the system from temperature extremes to keep it working safely. It reacts to temperature mechanically to activate an electrical switch. The device protects boilers from harm while maintaining stable hot water temperatures which saves energy and extends the life of heating equipment. This device monitors temperature levels perfectly to help systems heat effectively and safely.