Engineered to withstand the thermal cycling associated with high-pressure steam service

Always handle the assembly by the ceramic base or mounting bracket

Common Questions: When should the flame sensor gasket be replaced

If the blower runs non-stop

Exact OEM fitment reduces downtime during critical steam system maintenance

Hydrotherm 02-2700 Aquastat Els PW 29614 Engineered to withstand the thermalThe 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