This Honeywell L7224U-1002 Universal Electronic Oil Aquastat with EnviraCOM Communication electronically monitors and controls circulator, burner, and boiler temperatures and provides electronic temperature sensing in an oil-fired hydronics heating appliance (not included), and is UL recognized. The device is EnviraCOM communication enabled for use with the Honeywell EnviraLINK service (not included) for remote monitoring. It offers multizone control and offers accuracy up to +/-2 degrees. The low limit can be disabled for cold start boiler applications. The LED display provides diagnostic and status information. The Aquastat mounts directly or remotely, vertically, horizontally, or flush to a surface.
SpecificationsTemperature range-30 to +150 degrees F/-34 to +66 degrees COperating temperature (high limit)130 to 240 degrees F/54 to 116 degrees COperating temperature (low limit)110 to 220 degrees F/43 to 104 degrees CDifferential temperature (high limit)5 to 20 degrees F adj.Differential temperature (low limit)10 to 25 degrees F adj.Electrical ratings (burner)7.4A at 120V at full load; 44.4 A inrush at locked rotorElectrical ratings (circulator)7.4A at 120V at full load; 44.4 A inrush at locked rotorFrequency60 HzPower consumption7 VAVoltage120VOverall dimensions4-1/4 x 2-5/8 x 7-1/8 inches / 109 x 67 x 181 mm (Lx W x H)*L is length, the horizontal distance from left to right; W is width, the horizontal distance from front to back; H is height, the vertical distance from bottom to top.

Honeywell manufactures products, materials, and technologies used in aerospace, transportation, and automation and control systems. The company, founded in 1885, is headquartered in Morristown, NJ.