Raypak FlexGas Features

Hi Delta

Dual-Fuel Boilers and Water Heaters

Rising energy costs, regulations and utility incentives have
increased the demand for dual-fuel appliances. Many state
and local regulatory agencies require "dual-fuel" capability for
critical facilities, such as hospitals and schools, to ensure
emergency operation. Until now, the typical equipment solution
for domestic hot water supply and hydronic heating have been
gas/oil water heaters and boilers, or propane-air blenders, both
of which are costly to install and maintain.
Cost factors are also driving the demand for dual-fuel
appliances. Companies with rapid fuel-switchover capability
can take advantage of discounted rates being offered by gas
utilities throughout the United States for interruptible fuel
supplies. Then there's the rising cost of fuel, making the ability
to switch fuels in response to pricing an attractive proposition.
With Raypak's FlexGas Hi Delta boilers and water heaters,
natural-propane gas switchover is fast and economical.
And there is no requirement for costly propane-air blenders or
air compressors.
Features
• 13 models; 300,000 – 2,342,000 BTUH
• Changeover takes less than one minute
• Changeover can be accomplished while firing: simply
turn the key!
• No mechanical components to remove or replace
• Patented dual-fuel system
• CSA-certified
• Factory-installed and tested system

CONVENTIONAL SYSTEM

Propane Storage Tanks
Vapor
C H
3
Liquid
Fuel
Delivery
Station
Propane Air
-
Blender
Air
Compressor
(Occasionally Required)
Natural
Gas Pipeline
Natural Gas
FlexGas
™
Propane
8
Vapor
Propane Air
-
Air
Distribution System to Burners
™

FUEL SELECTOR SWITCH

HI DELTA FLEXGAS SYSTEM

Propane Storage Tanks
Vapor
C H
3 8
Liquid
Fuel
Delivery
Station
Natural Gas
Pipeline
Natural Gas
Catalog No.: 1000.20A Effective: 07-10-08 Replaces: 01-10-06
Raypak Inc., 2151 Eastman Ave., Oxnard, CA 93030
Propane
Vapor
Distribution System to Burners
(805) 278-5300 Fax (800) 872-9725