Carrier EF18LJ241 Valve
Water Regulating Valve, 24VDC, 3 to 125# Range
EF18LJ241 is the updated version for EF18LJ242
QUESTIONS & ANSWERS
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Does it matter which way electrical plug is attached to solenoid valve
We don't have any documentation on hand but for a 24VDC the polarity matters. Please check the unit's wiring diagram for correct polarity.