Perfect OEM Compatibility - Ensure compatibility with your MasterTemp & Max-E Therm NA/LP series pool/spa heaters using these OEM numbers: Pool Control Board - 42002-0007S, 461105. Wide Model Compatibility - This Pool Heater Control Board Kit fits Mastertemp 200, 250, 300, 400 and Sta-Rite Max-E-Therm heaters: SR200NA, SR333NA, SR400NA, SR200HD, SR333HD, SR400HD, 460805, and all NA/LP series pool and spa heater electrical systems. Top-Notch Quality - The Control Circuit Board Kit includes high-quality FR-2 copper foil laminate, upgraded solid-state capacitors, a high-precision soldering process, and SR waterproof coating for superior insulation, moisture resistance, and leakage protection. Superior Performance - Featuring upgraded solid-state capacitors and power chip, high-precision soldering techniques, and improved optocoupler and regulated power modules, offering overheat, overvoltage, and short circuit protection for quicker output control for your pool heaters. Enhanced Functionality - Cut pump running time and boost heating efficiency to save costs. If your old control board fails to start the heater, the display is unlit, or the pool water heats slowly, replace it with this control circuit board kit for improved heating performance.

Replacement Number (OEM)：

Control Board Number : 42002-0007S, 461105

 

Compatible with:

Mastertemp: Mastertemp 200, Mastertemp 250, Mastertemp 300, Mastertemp 400. Sta-Rite Max-E-Therm heaters: SR200NA, SR333NA, SR400NA, SR200HD, SR333HD, SR400HD, 460805. And all NA and LP series pool/ spa heater electrical systems.

 

Installtion Steps:

 

Shut Down Power - First, ensure all power is shut off to guarantee safe operation. Disconnect the power supply to prevent the risk of electric shock.

Open the Heater Top - Use the appropriate tools (e.g., screwdriver) to remove the screws securing the top of the heater. Open the top to access the old circuit board.

Disconnect the Membrane Pad - Unplug the membrane pad from the old circuit board. Typically, the membrane pad is connected via a small connector that can be gently pulled out or released by pressing a latch.

Remove Wire Connectors - Carefully remove all wire connectors attached to the old circuit board, one by one.

Why choose Misakomo Pool Heater Control Board Kit?

1. Using upgraded solid-state capacitors and power chip, high-precision soldering techniques.

2. Upgrading optocoupler module and regulated power module.

3. Overheat protection, overvoltage protection, and short circuit protection.