LEED & ETL Certified

NSF-61 Certified Copper Parts

Effects of pH on Corrosion

GFX^TMHeat-Xchanger

& Water Heater Booster

Made In America With Non-Toxic Copper Coils, Drainpipes, Fittings & Manifolds Unlike US & Canadian Knockoffs

ASTM B88 Coil	ASTM B306 Tube

Buy Online; Shipped Factory-Direct

Dealer Information

Technical Information

U.S. & Canadian Rebates Available in Some States

NEW! Lead/Solder-Free ProPress or Removable SharkBite Fittings Available on Multi-Coil Models

Ask For Low-Cost Models Made With Utility-Grade Copper Coils For Industrial Use Without NSF61-Incise Marks … Like Toxic Canadian Knockoffs Having Counterfeit UL or ETL Labels

Fig. 1(a) DHR Efficiency (%) vs. Flow Rate (GPM) for 3” GFX models. Left click to display 4” graphs & pressure drop.

Fig. 1 GFX-CH™

Makes Electric Space & Water Heating Cheaper & Greener Than Oil & Gas (Compatible With Solar- & Wind- Generated Electricity)

Fig. 2 GFX Outperforms Toxic-Pipes Without Poisoning Your Family, Customers or Environment

FACTORY RECALLS

Need For XRF Inspections

Fig. 3 GFX^TM

Passive system for showers and other continuous-flow applications; requiring no storage tanks or pumps

Enbridge Gave Away Toxic Power-Pipes Made With Recycled Copper That May Contain Beryllium Copper (BeCu) Knowing It’s So Toxic Former President Clinton Official David Michaels Recommended A Be-Ban
Apply for Federal Tax Credits Using EPA’s ENERGY-STAR Evaluation
LEED Specifications For Fort Benning Barracks 168 S3-30’s For Fort Lee Barracks
Residential WEB Prices	Dealer & Volume Discounts	Internet Specials - 50% Off Selected Models
Models, Specs & Prices	Installation Video	Testimonials

Protect Your Loved Ones & Environment

NSF-61 Restriction Statement: “Copper Tube (Alloy C12200) is certified by NSF to NSF/ANSI Standard 61 for public water supplies meeting or in the process of meeting the U.S. EPA Lead and Copper Rule (56FR 26460, June 7, 1991). Water supplies with pH less than 6.5 may require corrosion control to limit copper solubility in drinking water.”

Demand Factory or Government Recall & XRF Inspection

If you already own a GFX check its coil for permanent NSF-61 Incise Marks. If none is found demand a Factory Recall and file complaints to U.S. Consumer Product Safety Commission (Re: Complaint #H0990104A) and/or Health Canada because copper tubing for drinking water exported into Canada must be third-party certified & GFX-knockoffs exported into the U.S. must bear NSF-61 incise marks.

Frequently Asked Questions

GFX Featured in RMI Home Energy Brief #5 "Water Heating" & US DOE's Input to 1997 CADDET Newsletter

GFX-STAR^TM Active system for baths, dishwashers & batch-flow devices GFX-STAR Testimonial

LEED-Army Barracks & DOE’s Solar Water Heating Programs Now Include GFX Technology

Patent Pending, U.S Patent #4,619,311 – Coils, Tubes, Fittings & Manifolds Certified To

ASTM B88, ASTM B306 & NSF-61 Safety Specifications

Every Gravity Film Heat Exchanger (GFX™) is approved for use with potable water under

ETL & cETL Certification & UL File SA8583 (7/92), which prohibit the use of toxic/recycled-copper.

Lithuanian Water Park (PVC Manifold)	Canadian Installations (Copper M2P4-60)	Green Space & Water Heating System	GFX-Solar in WRAP Low-Income Program in PA	Dartmouth Dorm & Silver LEED Hi-Rise	Climate Change Video

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