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replacing previous versions like the 51-42370-01
The full kit includes the catalyst and UV bulbs
Standardized Infrastructure: The 1/4" barb connection and screw terminals allow for rapid integration into existing wiring harnesses
Can I clean the 40L81 rather than replacing it
EWC Controls NCM-3Z Control Panel L99H008 replacing previous versions like theThe EWC Controls NCM 3Z is a trade grade 2 or 3 zone HVAC control panel designed as the direct NCM 300 replacement for modern residential and light commercial applications. This universal 24VAC zone controller supports 2 Heat 1 Cool configurations, making it compatible with conventional gas electric, oil, hydronic, and heat pump systems. Featuring a high visibility LCD display, it provides technicians with real time data on system status, supply air
