Raypak: Hi Delta® Boilers

Features: All models indoor/outdoor certified. 87% Efficiency. Cat II or IV venting required. 120ºF minimum inlet water temperature. Cast-iron headers with copper finned tube heat exchanger standard. Brass headers and cupro-nickel tubes available as options. AB 1953 compliant. Patented burner "security blanket" enhances staged combustion, minimizes installation, start-up issues, and protects burners from metal fatigue. Sidewall venting capable. No extractor needed for most applications. Ducted combustion air ready. TruSeal® CSA-Certified direct-vent available. Status display and on-board diagnostic center, English, no codes. Model 2002BE available for natural gas only. Other models available for natural gas or propane.