Look for visual signs like a "bulged" or domed top

this probe ensures the integrated furnace control board receives accurate data regarding airflow across the heat exchanger

Does mounting orientation affect the outlet pressure

ensuring the control reads the true water level rather than a false signal caused by surging or priming

Danfoss 121L2297 Compressor R-410A Look for visual signs likeThe Danfoss 121L2297 Scroll Compressor is a genuine OEM replacement compressor designed for commercial and light industrial air conditioning and refrigeration applications requiring dependable capacity and efficient operation. This 208 230V 3 Phase compressor delivers approximately 57,800 BTU h of cooling capacity and is commonly identified as model HRP060T2LP6. Engineered for use with R407C refrigerant and compatible with select R22 retrofit