Features:

·   High limit opens burner circuit only.

·   Include transformer and accessory terminals for adding a remote low limit controller.

·   Case available for horizontal or vertical mounting.

·   Requires a 24 Vac thermostat with heat anticipator set at 0.2A.

·   TRADELINE models include well adapter, tube of heat conductive compound and range stops.

·   L8148E,J have terminals for adding zone valve system wiring.

Application:

·   Aquastat Relays are immersion type hydronic controllers that combine high limit protection with switching relay control of burner and circulator motors.