This wheel is designed for clockwise (CW) rotation when viewing from the hub side

meaning it stays open when pneumatic pressure is removed

Key Benefits Precision Compatibility: Designed specifically for use with Maxitrol RV91 and 210E series regulators to ensure a perfect mechanical fit

Simplified Installation: Designed as an HVAC OEM part for specific York and Coleman gas furnaces

this controller provides precise monitoring of plenum temperatures to manage fan cycles and high-limit safety cutouts

Carrier LH33WZ007 Flame Sensor 320074-702 This wheel is designed forAs a veteran technician, you know that a failed Carrier LH33WZ007 Flame Sensor is one of the most common causes of nuisance furnace lockouts. This OEM furnace flame sensor is a critical safety component designed specifically for Carrier gas furnace troubleshooting and maintenance. Engineered to withstand the extreme temperatures of the burner assembly, the LH33WZ007 utilizes the principle of flame rectification to signal the furnace control board that