SWIMABLES MAX-E-THERM HIGH LIMIT SWITCH (DD5) REPLACES: 42001-0063S

A COST EFFECTIVE, DIRECT AFTERMARKET REPLACEMENT FOT THE ORIGINAL PENTAIR / STARITE 42001-0063S PARTS. ENGINEERED TO CONSTANTLY MONITOR INTERNAL WATER TEMPERATURES, THIS SWITCH SERVES AS A FAIL-SAFE THAT AUTOMATICALLY OPENS THE GAS CIRCUIT AND SHUTS DOWN THE SYSTEM IF READINGS EXCEED A SAFE THRESHOLD OF 135°F, PROTECTING YOUR HEAT EXCHANGER FROM CATASTROPHIC WARPING OR CRACKING.