Tag: low-water-cutoff

All the articles with the tag "low-water-cutoff".

• Weil-McLain Code 3 — Low Water Cutoff Fix

  21 May, 2026

  Code 3 on a Weil-McLain Gold or Ultra Series boiler (Ultra 80/105/155/230/310/399, GV90+, and WM97+ platforms) indicates a low water cutoff (LWCO) lockout —...