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Manufactured by WilliamsRDM
200 Greenleaf Street
Fort Worth, TX 76107
817 872-1500 

tel

888 616-7976 

toll

 

free

[email protected]
STFS.com

BATTERY REPLACEMENT

1)  

Use #2 Phillips head screw driver to unscrew the 

three (3) small screws from the sensor board.

2)  

Remove the sensor board, taking care not to 

damage or disconnect the wires.

3)  

Properly dispose of the existing batteries. Check for 

any debris in the battery compartment that would 

interfere with battery contact. 

4)  

Replace with two (2) new, 1.5V alkaline N-cell, 

batteries. Do not mix new and old batteries.

5)  

Fold the wires back into place, taking care 

not to damage the wires.

6)  

Reattach the sensor board with the three (3) small 

screws, and reinstall per installation instructions. 

Do not tamper with any sensors, or any other 

parts of the product or you risk device malfunction 

and voiding manufacturer’s warranty.

(5)

(2)

(1)

(3)

(6)

(4)

© 2018 WilliamsRDM, Inc. All rights reserved. StoveTop FireStop, the StoveTop FireStop logo, STFS, the STFS Plus logo and design graphics are either registered 
trademarks or trademarks of WilliamsRDM, Inc. in the United States, and/or other countries. Model No. 679-S-3A. Patent info at www.STFS.com/patents.

WilliamsRDM, Inc. (“WRDM”) warrants this StoveTop FireStop® 
product against defects in material or workmanship for the time 
periods and under the terms set forth below. Pursuant to this 
Limited Warranty, WRDM will, at its option, (i) repair the product 
using new or refurbished parts or (ii) replace the product with a 
new or refurbished product. For purposes of this Limited Warranty, 
“refurbished” means a product or part that has been returned to its 
original specifications. 

In the event of a defect, these are your 

exclusive remedies.   

WRDM warrants to the original retail purchaser all WRDM products 
for a period of one (1) year against defective material and faulty 
workmanship. Any unit found to be defective during the warranty 
period will be repaired if possible, or replaced free of charge upon 
the buyer’s prepaid return of the defective unit—only after receipt 
of an official Return Material Authorization (RMA) number. Proof of 
retail purchase is required.  This warranty gives the buyer specific 
legal rights which may vary by state (or country.)

THE FORGOING WARRANTY IS MADE IN LIEU OF ALL OTHER 
WARRANTIES WITH RESPECT TO THIS PRODUCT, INCLUDING 

ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS 
FOR A PARTICULAR PURPOSE—WHICH ARE HEREBY 
DISCLAIMED. 

THERE ARE NO IMPLIED WARRANTIES WHICH 

EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. 

 NO 

PERSON IS AUTHORIZED TO GIVE ANY OTHER WARRANTY, OR 
TO ASSUME FOR WRDM ANY OTHER LIABILITY IN CONNECTION 
WITH THE SALE OR INSTALLATION OF ITS PRODUCTS. 
REPLACEMENT OF THE PRODUCT WILL BE THE SOLE REMEDY 
WITH RESPECT TO ANY LOSS OR DAMAGE TO PROPERTY.  
BUYER IS NOT RELYING ON SELLER’S JUDGMENT REGARDING 
BUYER’S PARTICULAR REQUIREMENTS AND BUYER HAS HAD 
AN OPPORTUNITY TO INSPECT THE PRODUCT TO BUYER’S 
SATISFACTION. UNAUTHORIZED SERVICE OF ANY KIND 
INVALIDATES ALL WARRANTY PROVISIONS.

This Limited Warranty covers only the hardware components 
packaged with this product.  It does not cover technical assistance 
for hardware.  Any parts or product replaced under this Limited 
Warranty will become the property of WRDM.  

LIMITATION ON DAMAGES: WRDM SHALL NOT BE LIABLE FOR 

ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING 
BUT NOT LIMITED TO ANY SUCH DAMAGES FOR ANY BREACH 
OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT.

Instructions: To obtain warranty service, you must deliver the 
product, freight prepaid, in either its original packaging, or 
packaging affording an equal degree of protection, to WRDM’s 
specified manufacturing facility.  
This Limited Warranty only covers product issues caused by defects 
in material or workmanship during ordinary consumer use; it does 
not cover product issues caused by any other reason, including but 
not limited to product issues due to commercial use, acts of God, 
misuse, limitations of technology, or modification of or to any part 
of the WRDM product. This Limited Warranty is invalid if either the 
factory-applied work order number or date code has been altered 
or removed from the product. This Limited Warranty is valid only in 
the United States. 

For StoveTop FireStop customer service: 
go to www.STFS.com or call 1-888-616-7976. 

LIMITED WARRANTY

Summary of Contents for Plus Sensor

Page 1: ...ove or replace by the remove or replace before date as shown on the product label could diminish the effective ness of the product Primary activation method is through electronic sensors At time of activation deployment a loud POP will occur followed by 3 long repeating tones This is normal and meant to alert occupants if present Device is equipped with a fuse that works as a secondary activation ...

Page 2: ...an and dry areas in range hood where both magnets will attach 2 Position canisters in range hood at the midpoint between the center of front and back burners on each side 3 Raise canisters to the spot directly above in range hood 4 Place the enclosed decal where it can be seen in the ventilation hood If the magnet does not attach go to www STFS com to order an alternative mounting kit 4 1 A STFS P...

Page 3: ...ne Low Battery Repeats every 60 seconds until batteries run out or are replaced or unit is silenced Replace old batteries with two 2 new 1 5V alkaline N cell batteries Fault 2 tones An error has been detected within the sensor board Repeats every 60 seconds until batteries run out or unit is silenced Go to STFS Plus Sensor Troubleshooting Section at www STFS com Do not dismount canisters The unit ...

Page 4: ...l Return Material Authorization RMA number Proof of retail purchase is required This warranty gives the buyer specific legal rights which may vary by state or country THE FORGOING WARRANTY IS MADE IN LIEU OF ALL OTHER WARRANTIES WITH RESPECT TO THIS PRODUCT INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WHICH ARE HEREBY DISCLAIMED THERE ARE NO IMPLIED WARRANT...

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