Trio cast iron boilers
A blend of technology and efficiency
The Trio low mass boiler with steel push nipples has a 3 pass low mass design. Constructed from GG 20 rated cast iron It has recirculating flue gas technology. The Trio boiler is Energy Star rated with efficiencies up to 87%. The Trio uses the hydrostat 3250 plus control with the low water cut off. It also has the option of indoor or outdoor reset. The Trio boiler is a multi fuel boiler meaning, oil or gas without voiding your warranty. It gives you superior service ability with complete access to all flue passages. Direct vent capabilities and a limited lifetime warranty which are transferable to the next homeowner.
The Trio boiler is available with Beckett, Carlin and Riello oil burners. It is also available with the Carlin EZ-1 gas burner. The Trio can be direct vented with the Riello BF3 or BF5 oil burner and our 10 or 15 ft. double walled direct vent kit. Please contact any of your local FW Webb sales people for pricing and availability.
The Trio Boiler is also available in Oil or gas in BTU’s ranging from 276,000 to 723,000 btu Output. The slender 19-1/2” boiler allows accessibility in very tight installations. One jacket fits all Trio boilers 6-12 sections. Please contact your local F W Webb salesperson and ask them about the industry leading 20 warranty on this light commercial boiler.