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

ensuring the main burner cycles only after the pilot is verified

This Gold Ring Series unit features a forged brass body and EPDM seals

Draft Verification Accuracy: High-precision set points ensure the vacuum is maintained for safe combustion and efficient venting

the robust frame and high-grade alloy contacts are designed to minimize arcing and provide long-term durability in condenser fan and AC outdoor units

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