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The Reliable Automatic Sprinkler Co., Inc.,

 103 Fairview Park Drive, Elmsford, New York 10523

Model F1 

Model F1FR

Intermediate Level 

Sprinklers

Features

1.  Upright and pendent installations.

2.  Available as either a standard response Model F1 

or quick response Model F1FR.

3.  Temperature ratings of 135 °F (57 °C), 155 °F 

(68 °C), 175 °F (79 °C), 200 °F (93 °C) and 286 °F 

(141 °C) for Models F1 and F1FR; the Model 

F1 is also available in additional rating of 360 °F 

(182 °C).

4. 

17

/

32

” (20 mm) orifice with 

3

/

4

” NPT (R 

3

/

4

).

For  Model  F156 / F1FR56 

1

/

2

” K 5.6 (80) Sprinkler Types refer to 

Bulletin 031 for technical specifications and approvals.

Listings and Approvals

1.  Listed by Underwriters Laboratories, Inc. (UL)
2.  Listed by Underwriters’ Laboratories of Canada (ULC)
3.  Certified by FM Approvals
4.  NYC MEA No. 258-93-E

UL Listing Category

Sprinklers, Automatic and Open (VNIV)

Product Description

The Reliable Models F1 and F1FR Intermediate Level 

Sprinklers include shields which protect the glass bulb from 
water spray impingement caused by sprinklers located at a 
higher elevation.

Typical applications are for storage racks which require multi–

level sprinklers and beneath open grid catwalks.

Application

Model F1 and F1FR Intermediate Level sprinklers are used 

in fixed fire protection systems: Wet, Dry, Deluge or Preaction. 
Care must be exercised that the orifice size, temperature 
rating, deflector style and sprinkler type are in accordance with 
the latest published standards of the National Fire Protection 
Association or the Authority Having Jurisdiction.

Installation

Model F1 sprinklers are standard response sprinklers and 

Model F1FR are quick response sprinklers. Both types are 
intended for installation as specified in NFPA 13. Upright 
sprinklers must be installed with the Model D Sprinkler Wrench 
specifically designed by Reliable for use with these sprinklers 
and pendent sprinklers must be installed with the Model GFR1 
Sprinkler Wrench specifically designed by Reliable for use with 
these sprinklers.

Model F1  

Pendent Intermediate

Model F1  

Upright Intermediate

Glass bulb sprinklers have orange covers to protect the bulb 

during the installation process. REMOVE THIS PROTECTION 
ONLY AFTER THE SYSTEM HAS BEEN HYDROSTATICALLY 
TESTED AND, WHEN APPLICABLE, THE ESCUTCHEONS 
HAVE BEEN INSTALLED. RASCO wrenches are designed to 
install sprinklers when covers are in place.

Maintenance

The Models F1 and F1FR Sprinklers should be inspected and 

the sprinkler system maintained in accordance with NFPA 25. 
Do not clean sprinklers with soap and water, ammonia or any 
other cleaning fluid. Remove dust by using a soft brush or gentle 
vacuuming. Remove any sprinkler which has been painted (other 
than factory applied) or damaged in any way. A stock of spare 
sprinklers should be maintained to allow quick replacement of 
damaged or operated sprinklers. Prior to installation, sprinklers 
should be maintained in the original cartons and packaging until 
used to minimize the potential for damage to sprinklers that 
would cause improper or non-operation.

Model F1FR  

Upright Intermediate

Model F1FR  

Pendent Intermediate

Multilingual document:  

Select your language below

Bulletin 170 Rev I_Multilingual

Bulletin 170 Rev I_Multilingual

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