Markel 51135001 Relay 321894-706 and CXLB heaters as well

and CXLB heaters as well as EEDU and HEEDU series

it cannot rectify mechanical issues such as undersized ductwork or improper equipment capacity

Designed for high-temperature resilience up to 180°F

the control is set to cut out at 20°F and cut in at 32°F

This OEM HVAC replacement part is engineered from high-grade brass

Markel 51135001 Relay 321894-706 and CXLB heaters as wellThe Markel 51135001 Relay is a specialized 24V fan time delay relay engineered for precise sequencing in commercial and residential HVACR applications. As an OEM specified component, it utilizes advanced bimetal disc technology (comparable to Therm O Disc 15S1) to manage the operational timing of indoor blowers, exhaust fans, and cabinet unit heaters. This HVAC ventilation control device ensures that the fan continues to run for a designated period