Lelit Hot Water Valve Not Sealing

Hot water tap drips or flows even when closed.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Worn hot water valve seat, Scale on valve spindle, Damaged O-rings, Valve not fully closing due to knob or linkage issue

Safety first: Turn OFF, unplug, and depressurize the boiler by opening the hot water tap before disassembly.

Operate valve: Open and close the hot water knob several times to see if the drip stops.
Descale valve: Run descaling solution through the hot water circuit to dissolve minor scale.
Disassemble valve: Remove the knob and unscrew the valve spindle. Clean the seat and spindle, and replace any worn O-rings or PTFE seals.
Replace valve: If the seat is damaged, install a new hot water valve assembly.

Medium 3/5

Hot Water Valve Assembly

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