Complete Maintenance Kit: Includes the filter mat

Interchangeable Design: Full functional equivalence with Lennox 78A2501 for simplified sourcing

The 100-foot length provides ample reach for routing through conduit and plenums in large-scale mechanical rooms

Rugged Construction: Built with high-quality materials to withstand the thermal and chemical demands of hydronic systems

Resideo TH5220D1029 Thermostat Els PW 17895 Complete Maintenance Kit: Includes theThe Resideo TH5220D1029 FocusPRO 5000 is a contractor grade, non programmable digital thermostat designed for high reliability applications in both residential and light commercial environments. Engineered for multi stage HVAC systems, this unit supports up to 2 Heat 2 Cool conventional systems and 2 Heat 1 Cool heat pump systems with auxiliary heat. It features a high visibility, 5. 09 square inch backlit display, providing technicians and end users