Common Questions: When should the flame sensor gasket be replaced

the switch closes to allow the heater to maintain a steady thermal profile

away from weather elements and contaminated atmospheres that could damage the internal circuitry

Engineered with a -1

Hydrotherm 02-2700 Aquastat Els PW 29614 Common Questions: When should theThe Hydrotherm 02 2700 High Limit Aquastat is a professional grade, OEM immersion type temperature controller engineered for precision safety in hydronic boiler systems. This L4080B series control is a critical safety component that monitors boiler water temperature and automatically interrupts the burner circuit when the high limit setpoint is reached. Designed for direct replacement in Hydrotherm Series 8H boilers and other high demand hydronic