The L8148 Aquastat® Relays are immersion type hydronic controllers that combine high limit protection with switching relay control of burner and circulator motors.

• Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motorsHigh limit opens burner circuit onlySelect models include transformer and accessory terminals for adding a remote low limit controllerCase available for horizontal or vertical-mountingRequire 24 VAC thermostat with heat anticipator set at 0.2 A (plus current draw of gas valve on L8124E)Tradeline models include well adapter tube of heat conductive compounds and range stops1-1/2 - 3 in D insulation0 - 95% RH non-condensing environmental conditions