WAT E R H E AT ER S
ments...for residential and commercial facilities. Now, the Marine Series offers a unique response for the growing demand to sup- port salt water pools and corrosive applications. E-ZEE FLOW pool heaters are also available in 316L Stainless Steel for chloride pools and non-corrosive water conditions. Units are available 45k to 1 million BTU's. E-ZEE FLOW also heats spas and hot tubs. Contact Diversified Heat Transfer, Inc. at 1-800-221-1522. Diversified Heat Transfer, Inc. – www.dhtnet.com
WATTS RADIANT INTRODUCES R-FLEX™, A PRE-INSULATED PIPING SYSTEM One of the fast-emerging "green" changes we are seeing in the heating industry today is the use of ultra-efficient, low NOx, wood boilers or water-to- water geothermal systems. Each of these require the transportation of heated water trenched under- ground to remote locations where heat is then distributed. Getting that heat to points of interior
comfort, without losing precious BTUs, can be a challenge. To address these and many other needs, Watts Radiant is introducing a flexible, pre-insulated piping system called R-flex™. R-flex consists of Single or Dual PEX carrier pipe(s) surrounded by a thick layer of cross-linked PEX foam insulation. All of this is protected by a thick,
The RIELLO Handbook by George Lanthier
This new text from Firedragon Acade- my features only the RIELLO Forty Series oilburners. Covers the F-40, BF and two-stage G51 Series in one manual and in
great detail. Included in the text are il- lustrations, diagrams and tables for the proper setup and servicing of RIELLO residential and light commercial burn- ers firing up to 6.4 gallons per hour. The book features tips, hints and trouble- shooting techniques and procedures and the author's 37 years of experience on the product. The authoritative, de- finitive and ultimate RIELLO 40 Series oilburner service manual originally cre- ated by us in 1981 brought totally up- to-date with even more diagnostic de- tails and procedures.
For further information, to order or inquire about our seminars contact:
Firedragon Enterprises 608 Moose Hill Rd., Leicester, MA 01524
508-421-3490 • 508-421-3477 fax www.FiredragonEnt.com
www.fueloilnews.com | FUEL OIL NEWS | JULY 2012 19
double-wall corrugated outer shell. Single or Dual R-flex maintains tighter bends for easier handling and faster installations. The ben- efits of the unique design are low water vapor absorption, enhanced R-value, and excellent resistance to extreme temperatures. Double wall casing offers superior protection against heat loss. Watts Radiant – www.wattsradiant.com
INDIRECT WATER HEATERS FROM HEAT-FLO The Heat-Flo indirect is designed with the installer in mind. All connections are on top for a neat, clean installation. The smooth wall stainless coil will collect less lime and sediment, and deliver full output for years. The brass drain and relief valves are factory installed, and a Honeywell L4080B is included. Quality design and construction – an all 316L stainless tank
and coil, a flexible thermoplastic jacket, and R-12 insulation add up to quality second to none. Available in 30, 40, 50, 60, 80, and 115 gallons. Forty and 60 gallon units are made in Low Boy models. High output coils are available on 80 and 115 gallon units. Sixty, 80, and 115 gallon units are available with double coils for solar and other applications. Heat-Flo, Inc. – www.heat-flo.com
