Request a quotation from Infinity Fluids CENTAX INLINE HEATERS Infinity's patented CENTAX heaters were designed to replace existing circulation heaters with an easy-to-incorporate SIMPLE... design. The CENTAX heater is the most common sense approach to heating water, air, gas, steam and any flowing fluid. With its simple design comes many common variations in shape... your particular process requirements. CENTAX CTX Water/Air Heating Units. Low - Medium Flows. Infinity's CENTAX heaters come in a variety of sizes, shapes and material...