Full Compatibility
- Direct replacement for Pentair MasterTemp 200/250/300/400/400HD (NA & LP) and Sta-Rite Max-E-Therm SR200NA/SR333NA/SE400NA/SR200HD/SR333HD/SR400HD heaters.
Replaces OEM part 42002-0007S and includes 472610Z membrane pad.
Premium Construction
- Features FR-2 copper foil laminate, upgraded solid-state capacitors, high-precision soldering with SR waterproof coating
for superior moisture resistance and leakage protection compared to standard boards.
Enhanced Performance
- Equipped with improved optocoupler module, regulated power module,
and advanced safety features including overheat/overvoltage/short circuit protection for more reliable operation and 30% faster response time.
Problem Solving
- Effectively resolves common heater issues including failure to start, blank displays, slow heating, intermittent operation, and various error code problems.