Pay in 4 interest-free payments of $31.82 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
The D1123 is an Open Air Over (OAO) motor
technically cross-referenced as model A-AS51711
Common Questions Is an additional receiver required for operation
adapting to varying load conditions to keep the system within manufacturer-specified operating parameters
System Longevity: Helps prevent compressor overheating by ensuring steady airflow and heat rejection
Resideo L7248L1105/B Aquastat 326058-758 The D1123 is an OpenThe Resideo L7248L1105 B Aquastat is an immersion style high limit controller designed for precise hydronic heating system management. This electronic oil boiler control monitors water temperature directly via a boiler well, serving as a critical safety and operational interface for oil or gas fired units. It functions by cycling the burner to maintain the high limit setpoint while offering an adjustable differential to optimize burner run times and