Is the R40406-007 compatible with older R40406-002 pilot assemblies

This BK series fixed-bore pulley is designed to provide precise belt-drive speed ratios for Aaon rooftop units and air handlers

What are the contact ratings for this DPDT relay

or the unit failing to initiate a defrost cycle during freezing conditions

High close-off and body pressure ratings ensure system integrity

Johnson Controls T-4752-206 Thermostat Els PW 29614 Is the R40406-007 compatible withThe Johnson Controls T 4752 206 is a high volume output pneumatic heating cooling thermostat engineered for precise temperature regulation in commercial HVAC systems. This dual element controller features a sophisticated automatic changeover mechanism, operating at 15 psig reverse acting for heating and 20 psig direct acting for cooling. Designed for vertical mounting, the unit utilizes a single dial to adjust set points for both cycles