Whether you are troubleshooting a 48TMR rooftop unit or maintaining an industrial air handler

this unit is designed for horizontal mounting

allowing for easy addition of snap-on auxiliary contacts or timers to meet specific sequence-of-operation needs

the ZONE320N-50 integrates seamlessly into both variable and constant flow setups

Crown Engineering CA409 Flame Rod 326058-757 Whether you are troubleshooting aThe Crown Engineering CA409 Flame Rod is a high performance direct replacement for Maxon 43078, specifically engineered for precision in industrial burner flame sensing applications. Designed for heavy duty flame rectification systems, this rod ensures a consistent ion signal back to the primary controller, eliminating nuisance lockouts caused by signal degradation or fouling. This HVAC furnace igniter assembly component is built with high grade