Hydrolevel EL1220-SV Sensing Probe 320819-301 it includes the integrated sensing

it includes the integrated sensing bulb required for accurate thermal expansion monitoring of the suction line

Smith commercial and residential heating equipment

Verify your fan blade pitch before installation to ensure proper upward heat discharge

This replacement part is a direct fit for numerous Bard wall-mount heat pumps

Direct Fit Compatibility: Seamlessly replaces Bard 8109 series components without field modifications

Hydrolevel EL1220-SV Sensing Probe 320819-301 it includes the integrated sensingThe 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"