As a critical OEM York replacement part

The Maxitrol R9110-512 is a field-proven blue spring engineered for precise pressure regulation within the 5-12" WC (water column) range

providing the exact electrical specifications required for Marley 4520-2031-000 applications without the need for manual intervention after a nuisance trip

Each set within the 12-pack contains both PTFE O-rings and neoprene O-rings

ICM Controls ICM102F Timer As a critical OEM YorkThe ICM Controls ICM102F is a professional grade delay on make timer designed to provide reliable compressor short cycle protection for commercial and residential HVACR systems. As a veteran preferred hvac time delay relay, this unit features a universal 18 240 VAC operating voltage, allowing it to integrate seamlessly into a variety of control circuits. The adjustable time delay ranges from 0. 03 to 10 minutes (1. 8 to 600 seconds), giving