Fenwal 35 605606 227 Control Refrigerant The included L bracket facilitates mounting The included L bracket facilitates mounting in various orientations The Amana Goodman 20163801 Service Valve is a genuine OEM replacement part engineered for high pressure refrigerant management within residential and light commercial condensing units Optimized Ignition: The 3 try ignition logic reduces service calls by facilitating successful starts under varying gas pressure or environmental conditions it minimizes nuisance lockouts by attempting to light the burner up to three times before entering a secure lockout state