Can I clean the 52M72 flame sensor instead of replacing it

this is the module only

and larger-scale water distribution systems requiring precise tempering

What are the port designations for this relay

maintaining a proper seal at the 1

Carrier HK50AA033 Display Module Refrigerant Can I clean the 52M72The Carrier HK50AA033 Navigator Display Module serves as the primary service tool interface for communicating with Carrier Comfort Network (CCN) compatible equipment. This OEM Carrier Navigator provides a 4 line, 20 character backlit display, allowing technicians to perform advanced HVAC diagnostics, modify configuration parameters, and monitor real time operating data. Designed for compatibility with 30 series chillers, 19 series water cooled units,