Durable Construction: Features a roll steel casing and aluminum flange for enhanced heat dissipation and resistance to harsh outdoor environments

Direct Fit Retrofit: The 3/4" inverted flare design and PopTop mounting system allow for rapid installation without piping modifications

Designed for industrial and residential heating oil burner ignition systems

though this board is designed to interface with standard Utica-Dunkirk 24V probes

preventing the common safety hazards associated with non-compliant aftermarket kits

Hydrolevel EL1220-SV Sensing Probe R-22 Durable Construction: Features a rollThe Hydrolevel EL1220 SV is a specialized low water cut off (LWCO) sensing probe designed for high performance liquid level monitoring in hydronic heating and steam boiler systems. Featuring a rugged short ceramic insulator, this 45 221 part number is engineered for tight clearance installations where standard probes may interfere with internal castings or piping. The 1 2" NPT threaded connection ensures a secure, leak proof seal, while the 2 1 16"