ClimateMaster 39B0017N01 Water Switch 326010-701 it features a 3-inch insertion

it features a 3-inch insertion depth and is factory-calibrated to trip at 180°F (opening the circuit to kill the gas valve) and automatically reset at 150°F (closing the circuit)

or displays specific error codes related to outdoor air temperature circuits

it involves high-voltage electrical connections and gas valve synchronization

This Lennox 47L19 model replaces several older part numbers

Always verify the specific model number on the rating plate to confirm a 100% matched system

ClimateMaster 39B0017N01 Water Switch 326010-701 it features a 3-inch insertionThe ClimateMaster 39B0017N01 High Pressure Water Switch is a critical safety component engineered for water source heat pumps and HVAC pressure monitoring. This OEM water switch is designed to protect the refrigeration circuit by interrupting operation when water side pressure exceeds the 145 PSI maximum threshold. As a veteran grade replacement part, it ensures the integrity of the coaxial heat exchanger and prevents equipment damage due to excessive