Gas Vent Dampers Recalled by Effikal Due to Carbon Monoxide Hazard
Home product recall 09-008. Announced by CPSC on Oct 9, 2008.
- CPSC: stop using it
Watch and the shortlist are kept with a free account, on every device. Your watch list. CPSC’s own notice is on cpsc.gov.
The short answer
Announced by CPSC on Oct 9, 2008. Copied from CPSC on Oct 19, 2026.
- Stop using it what CPSC tells owners to do now (needs attention)
- About 45,000 units, as CPSC gives them
- None injuries, CPSC’s notice says
Every line below is in CPSC’s own words, with its source beside it.
What’s wrong with it?
The automatic gas vent damper could fail, and if the blocked vent switch does not activate, the vent could leak carbon monoxide (CO). This poses a risk of CO poisoning to consumers.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What should you do?
Consumers should immediately stop using the boilers, weather permitting, and contact their installer to confirm they have a recalled vent damper and to receive a free vent damper replacement.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
- How to reach the firm: For additional information, contact Effikal toll-free at (866) 790-3739, or visit the firm’s Web site at www.effikal.com
Which ones are recalled?
The recall involves Effikal RVGP-PC Gas Vent Damper size 4, 5, 6, 7, 8, 9, or 10 which are installed with the gas boiler systems listed below. The vent damper date code is located on a sticker under the motor assembly cap on the plastic base. Serial numbers are located on a label on the side of the damper’s cap. All sizes and models of the RVGP-PC have the same motor assembly with black Effikal caps and black plastic bases. Manufacturer Atmospheric Gas Boiler Models Vent Damper Date Codes Vent Damper Serial Numbers Allied Engineering MG, MS and SG Series 0728 through 0809 3588428 through 3687571 Burnham Series 2b, Series 8h, and Independence except Independence PV 0728-0738 3588428-3647820 Crown AWI, CWI and BSI Series 0728-0809 3588428-3687571 Hydro Therm R/MR, VGA, VS and HW Series 0728-0809 3588428-3687571 Laars JV Series 0728-0809 3588428-3687571 Lochinvar CBN Solution Series 0728-0809 3588428-3687571 RBI Spectrum Series 0728-0809 3588428-3687571 Smith GB and HW Series 0728-0809 3588428-3687571 New Yorker CG and CGS Series 0728-0738 3588428-3647827 Peerless MI, 63 and GM series 0728-0809 3588428-3687571 Raypak Series XV-42-180 Series V-181-260 and 182-261 Series VII-133 0728-0809 3588428-3687571 Union Steam GWA and GSA 0728-0809 3588428-3687571 Weil-McLain CGa, EG, and PFG Series 0728-0738 3538074-3647830 WilliamsonThermoflo GWA and GSA s 0728-0738 3538074-3647830
About 45,000 units, as CPSC gives them.
Automatic Gas Vent Dampers.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
CPSC’s photos
CPSC shows 2 photos on its notice. Hearth Record doesn’t copy them; each opens on cpsc.gov.
Who made and sold it?
- Made by Effikal LLC, Orion, Mich.
- Plumbing and heating wholesale distributors to plumbers and contractors nationwide from August 2007 through July 2008. Vent dampers were also sold by large home improvement stores as part of the gas boiler systems between August 2007 through January 2009 for between $1,000 and $4,000 for the boilers.
- Made in United States, as the notice gives it.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
Was anyone hurt?
None reported.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What the record doesn’t say
- The notice lists no UPCs, so check the model, the description and the photos.
- The notice lists no model numbers in a field of their own; its description may give them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
-
U.S. Consumer Product Safety Commission, Recalls API.
Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.
Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.