Pentair High Limit Switch for MasterTemp And Max-E-Therm Heaters | 42001-0063S 77707-0013 membrane panel the bypass valve is built

the bypass valve is built to withstand the demands of frequent use and harsh pool environments

the thermal regulator provides reliable performance and longevity

the SPX2800M is built to withstand the harsh conditions of daily pool use

This robust transformer ensures reliable power delivery for your pool and spa automation systems

Pentair High Limit Switch for MasterTemp And Max-E-Therm Heaters | 42001-0063S 77707-0013 membrane panel the bypass valve is builtThe OEM Pentair Hi Limit Switch 42001 0063S is a safety switch used to detect when water temperature has exceeded a safe level (135F) and immediately opens the heat exchanger out. When this fails, your system will typically show error code HLS. The Hi Limit Switch cannot be reset, it must be replaced. This OEM Pentair Hi Limit Switch 42001 0063SS is compatible with most Pentair MasterTemp and Sta Rite Max E Therm Natural Gas Swimming Pool Heaters.