
Plumbing & Water Systems
Anti-Scald Valves: Why Your Shower Runs Hot | Lansing, MI
If your shower runs cold or scalding the moment someone flushes a toilet or starts the washing machine, the mixing valve behind the wall is not balancing any more. That is a cartridge or valve replacement, not a water-heater fault — and it is the single most common cause of a sudden hot spike.
September 10, 2026 · 3 min read



