Pentair Gas Orifice Kit For Max-E-Therm 333 Propane Heaters | 77707-0451 Heat Exchanger for hayward H400FD install guide for tank seal

install guide for tank seal on pro-grid de filters

Optimized Performance: Ensures your heater operates at peak performance

suction power drops when body frame shifts

connect the field supplied Black wire (L1) to the (2) Black wires from the heater

Pentair Gas Orifice Kit For Max-E-Therm 333 Propane Heaters | 77707-0451 Heat Exchanger for hayward H400FD install guide for tank sealThe OEM Pentair Gas Orifice Kit, model 77707 0451, is designed for use with Max E Therm 333 propane heaters. This kit includes essential components to ensure optimal gas flow and efficient heater performance, promoting reliable and consistent heating for your pool or spa. Engineered for compatibility and ease of installation, it helps maintain the heaters functionality and extends its service life, ensuring your heating system operates at peak