Installation Efficiency: The ring base allows for a clean fit over pre-installed units

the 21L89 and 21L8901 are functionally identical and share the same technical specifications for temperature range and insert depth

The Amana-Goodman 0130M00329S Transformer is a critical electrical component designed for precise voltage regulation within HVAC systems

Thermal Protection: Prevents heat exchanger overheating by terminating the gas valve signal upon reaching the 130°F limit

Maxitrol 325-3-1/2-YELLOW Regulator Installation Efficiency: The ring baseThe Maxitrol 325 3 1 2 YELLOW is a high performance 1 2" NPT gas pressure regulator engineered for pounds to inches reduction in residential, commercial, and industrial applications. This lever acting design excels in precision, providing consistent positive dead end lock up to protect downstream equipment. With a 10 PSI maximum inlet pressure and a specific 15 30" wc outlet pressure range, it is ideal for high pressure burner manifolds and