Replacement Parts Diagram for Pentair MasterTemp 300 460734 Heater
Replacement Parts Diagram for Pentair MasterTemp 300 460734 Heater with Clickable Hotspots for Manifolds, Control Boards, Coil Assemblies, and Gas Valves
Use the interactive parts diagram above to identify components for your MasterTemp 300 heater. Browse the links below for detailed specifications, compatibility information, and in-stock availability with best local pricing.
Restore heating efficiency with the 77707-0233 Tube Sheet Coil Assembly, built for MasterTemp and Max-E-Therm 300 BTU gas heaters.
Replace internal controls using the 42002-0007S Control Board with 6 Button Pad, a full replacement interface for both MasterTemp and Max-E-Therm models.
Restore full manifold assembly performance with the 474200 Basic Manifold Kit, compatible with many MasterTemp and Max-E-Therm units including the 300 model.
Maintain critical wiring connections using the 461107 Wire Harness for both Max-E-Therm and MasterTemp gas heaters.
Seal off winterized units or drain effectively with the U178-920P Drain Plug with O-Ring, made for all MasterTemp and Sta-Rite Max-E-Therm heater models.
Maintain blower housing integrity with the 77707-0011 Blower Adapter Plate Gasket Kit, used in both MasterTemp and Max-E-Therm assemblies.
Replace the gas delivery system with the 42001-0051S Combination Gas Control Valve Kit, used to regulate flow and pressure in your MasterTemp 300 heater.
Install the 77707-0015 Manifold Kit to replace damaged internal plumbing assemblies specific to the 300 BTU MasterTemp heater.
All critical replacement parts for the MasterTemp 300 heater are linked above with complete diagram support—covering coil kits, boards, valves, and connection hardware.