HI DELTA HYDRONIC BOILERS, 302C-902C

Description

Raypak’s family of Hi Delta Hydronic Boilers, 302C-902C, feature 84% efficiency, 2-stage operation, and is available in natural gas or propane variants.

 

Features:

⦁ All models Indoor/Outdoor certified.

⦁ 84% Efficiency.

⦁ CAT I vertical venting, CAT III sidewall venting. No extractor required for sidewall applications up to 70ft on room air.

⦁ 2-Stage operation.

⦁ Patented burner “security blanket” enhances staged combustion, minimizes installation, start-up issues, and protects burners from metal fatigue.

⦁ 105ºF minimum inlet water temperature.

⦁ Cast-iron headers with copper finned tube heat exchanger. Brass headers and cupro-nickel tubes available as options. AB 1953 compliant.

⦁ 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.

⦁ Certified under SCAQMD Rule 1146.2. Meets all Low NOx regulations.

⦁ Available for natural gas or propane.

⦁ Cascade control of up to 8 units, no external sequencer required.

⦁ Cascade in parallel or sequential modulation modes.