Utica-Dunkirk 240007897 Transformer 321702-401 Common indicators include the pilot

Common indicators include the pilot flame failing to ignite despite a functional spark or hot surface igniter

Industrial-Grade Sealing: Compatible with various gauge glass washers to maintain a leak-proof seal under standard operating pressures

Always cross-reference the unit’s serial number with the manufacturer’s parts list

and solid contaminant removal

Utica-Dunkirk 240007897 Transformer 321702-401 Common indicators include the pilotThe Utica Dunkirk 240007897 Transformer is a heavy duty 120V primary to 24V secondary step down component engineered specifically for ECR International brands, including Dunkirk DXL Series II and various Utica boiler models. This 40VA control transformer (also rated at 47a 3va in specific configurations) facilitates reliable electromagnetic induction to power 24VAC control circuits, including gas valves, ignition modules, and low voltage thermostats.