The unit features tri-class protection (Class 5

reducing component fatigue and extending the service life of the primary control

The Carrier HK42FZ018 Control Board is a critical integrated furnace control board engineered for high-performance management of single-stage heating systems

Product Features and Equipment Benefits Multi-fuel compatibility allows for seamless detection across gas

Is this compatible with Propane (LP) systems

Heat Controller R68GF0004 Flame Sensor 320788-702 The unit features tri-class protectionThe Heat Controller R68GF0004 Flame Sensor is a critical OEM safety component engineered for precise flame rectification in Mortex G18D series gas furnaces. As a veteran technician knows, a fouled or oxidized sensor is the primary culprit behind modern furnace short cycling. This furnace flame sensor replacement features a high grade stainless steel rod designed to withstand extreme combustion temperatures while maintaining the sensitive microamp