Floor Heat Hydronic Boilers

Raypak Delta Limited Series Water Heaters and Hydronic Boilers are designed for a wide variety of hot water and floor heat requirements. Easy to install, operate and service. Simple multi-stage operation for reliable performance and easy maintenance. Models from 399,000 to 1,800,000 Btu’s are shown but
larger sizes are available.

• 83-85% efficiencies
• Copper-finned tube heat exchangers, (5-year warranty)
• Glass-lined cast iron headers, (bronze available)
• Powder-coated cabinets
• Simple electronic controller and status display for easy monitoring
• Fan-Assisted. Direct vent capable. Ducted combustion air ready
• Cat 1 for vertical venting, Cat 111 for side wall venting
• Ratings are shown for up to 2000ft elevations, (call for higher elevations)
• Output temperatures to 200° F for water heaters and 230° F for hydronic boilers
• Minimum non-condensing inlet temperature is 105° F
• Water Heaters are designed for use with storage tanks, (not direct fire heat)
• Hydronic boilers are designed for re-circulating floor heat systems
• CSA low-lead certified
• 100% factory fire tested prior to shipping
• Assembled in USA
• Pumps and tanks are not included but are available if required 

**Note: Water exceeding 16 grains hardness requires tube exchanger upgrade