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and limit switch faults
Built with a 1/4" NPT rear mount and frequently paired with a 1/2" NPT adapter
It maintains the same form factor and electrical ratings to allow for a seamless swap without cabinet modification
Using it with R-410A will result in incorrect superheat and potential compressor damage due to different pressure-temperature curves
Hydrolevel 550P Low Water Cut-Off R-410A and limit switch faultsThe Hydrolevel 550P Low Water Cut Off is a probe type control engineered for residential and commercial hot water boilers. Operating on 120Vac, this unit integrates a manual reset function that activates after a 30 second delay, preventing burner short cycling during momentary water level fluctuations. The system includes the EL1214 P sensing probe with a long nut (Part Number 45 553), designed to maintain a reliable conductive path even in
