Use a compatible thread sealant and tighten 2-1/2 turns past hand-tight for optimal results

The 04-01623-00 measures 3-1/2 inches in diameter

Durable red color-coded finish allows for immediate field identification of the pressure rating

and CGi boilers

Common Questions: What boilers use the 560-528-989 orifice

Amana-Goodman 20162903 Limit Switch Use a compatible thread sealantThe Amana Goodman 20162903 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency furnaces and package units. This OEM replacement part is engineered to open the electrical circuit at a fixed 160F temperature rating, preventing hazardous overheating and potential heat exchanger damage. As a CO AUTO limit switch, it features an automatic reset mechanism that restores continuity once the temperature drops