Key Benefits Direct OEM Compatibility: Specifically engineered to replace RLY2707 and RLY2707K

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

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

If the blower runs non-stop

Check for cracks in the ceramic insulator or significant carbon deposits on the rod before replacing

Hydrotherm 02-2700 Aquastat Els PW 29614 Key Benefits Direct OEM Compatibility:The 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