Installation & Operating Guide

WIRING DIAGRAMS FOR SENTINEL HOT WATER BOILERS
Damper circuit is designed to be controlled by low voltage controls. DO NOT use line voltage operating
controls to interrupt supply voltage to the L8148E aquastat.
1
3
Sentinel
CAUTION: Label all wires prior to disconnection when servicing controls.
Wiring errors can cause improper and dangerous operation. “Verify proper operation after servicing.
Models with Intermittent Pilot Ignition (IID) Models with Continuous Burning Pilot