Utica-Dunkirk 14619003 Target Wall If the switch shows an

If the switch shows an open circuit (OL) at room temperature

70" WC (water column) set point and a Single Pole Normally Closed (SPNC) configuration that is designed to open on rise

or the fan running continuously even after the thermostat is satisfied

Can I clean this sensor with sandpaper to restore the signal

Utica-Dunkirk 14619003 Target Wall If the switch shows anWhen you are performing a combustion chamber overhaul on a Dunkirk Empire II Series II boiler, ensuring the integrity of the Utica Dunkirk 14619003 Target Wall is non negotiable for maintaining thermal efficiency. This OEM replacement target wall is precision engineered from high density refractory ceramic fiber (RCF), designed to withstand the intense direct flame impingement and localized high temperature zones within the heat exchanger. For veteran