Choose size on the parchment sheet — price & checkout stay in the sticky loom dock.
Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
the HK42FZ053 is the current functional replacement for several discontinued HK42FZ series boards
This unit is designed for field-service reliability
maintaining performance even during high-temperature defrost cycles
Common Questions Is the EF05BD332 compatible with R22 systems
The most common issues are moisture on the control board
Daikin-McQuay 066540601 Limit Switch 321042-401 the HK42FZ053 is the currentThe Daikin McQuay 066540601 is a high precision low temp limit switch engineered specifically for HVAC freeze protection in commercial air handling systems. As the direct replacement for 66540601, this critical safety control monitors coil temperature to prevent catastrophic failure caused by freezing conditions. Designed for integration with Daikin Applied and legacy McQuay chillers and AHUs, this manual reset device ensures the system shuts down or
US$ 622.50
US$ 802.50
US$ 747.50
US$ 560.00
US$ 585.00
Pay in 4 interest-free payments of $33.85 Learn more