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Common Questions
Common Questions & Answers Which specific valve series is this knob compatible with
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Maintaining a gastight combustion seal is critical when servicing high-efficiency equipment like AHE and GV series boilers
Weil McLain 560-528-989 Orifice Common QuestionsThe Weil McLain 560 528 989 Burner Orifice is a precision engineered OEM replacement part designed specifically for natural gas boiler manifold assemblies. As a veteran grade HVAC orifice, it features a #46 drill size essential for maintaining the correct gas flow rate and BTU input across the burner rack. This 7 16" hex component is built with a 1 8" NPT thread, ensuring a secure, leak free seat within the gas manifold of various Weil McLain CGi and
