Key Benefits Precise Refrigerant Metering: Automatically adjusts flow to maintain the correct superheat

Is this relay suitable for outdoor enclosures

ensuring the main burner cycles only after the pilot is verified

Always verify original part numbers before installation

White Rodgers 789A-751A1 HSI 340155-7024 Key Benefits Precise Refrigerant Metering:The White Rodgers 789A 751A1 is a high performance 120V Silicon Nitride Hot Surface Ignitor (HSI) engineered specifically as a Carrier LH33ZG001 direct replacement. As a veteran technician knows, upgrading from older silicon carbide to nitride technology significantly reduces nuisance service calls by providing superior physical durability and faster thermal response. This furnace ignitor features a robust silicon nitride heating element and is rated