Bulletin 078 October 2022

F1FR80-300 Series
Quick Response Sprinklers
K-factor 8.0 (115)

Features
• Standard coverage quick-response sprinklers
• 300 psi (20.7 bar) rated
• Upright and pendent deflectors
• Low profile, compact design
• Available in a wide variety of finishes

Product Description
Reliable Model F1FR80-300 series sprinklers are 300 psi
(20.7 bar) rated, quick-response standard spray automatic fire
sprinklers utilizing a sensitive 3.0 mm glass bulb thermal element. Model F1FR80-300 Upright

Pendent sprinklers may be installed exposed or surface mounted

using escutcheons such as the Reliable Models B, C, or HB
(reference Technical Bulletin 204). When installed recessed,
Model F1FR80-300 series sprinklers are specifically listed
with and may only be installed with listed Reliable recessed
escutcheons. Refer to the technical information on the following
pages for specific listings for recessed installations and refer to
Figure 3 for dimensional information.

When fitted with an approved water shield, these sprinklers may

considered intermediate sprinklers for use in racks, below grated
walkways, and other areas where intermediate level sprinklers are
required.
Model F1FR80-300 Pendent
Table A provides a summary of the approvals and availability
of specific Model F1 series sprinkler configurations. Additional
technical information for each sprinkler model is provided on the
following pages. Note: Not all versions of the product are shown.

F1FR80-300 Series Sprinkler Summary Table A

Sprinkler
Sprinkler K-Factor gpm/psi1/2 Max. Working Pressure
Orientation Listings & Approvals Identification
Model (lpm/bar1/2) psi (bar)
Number (SIN)

Upright RA7822
F1FR80-300 8.0 (115) cULus 300 (20.7)
Pendent RA7812

www.reliablesprinkler.com
 Model F1FR80-300 Upright Sprinkler SIN RA7822

Technical Specifications Temperature Ratings

Style: Upright 135°F (57°C)
Threads: 3/4” NPT or ISO 7-R3/4 155°F (68°C)
Nominal K-Factor: 8.0 (115) 175°F (79°C)
Max. Working Pressure: 300 psi (20.7 bar) 200°F (93°C)
286°F (141°C)
Material Specifications
Thermal Sensor: 3 mm Glass Bulb Guards & Shields
Sprinkler Frame: Brass Alloy F-1 Guard
Cap: Bronze Alloy F-3 Guard with Shield
Sealing Washer: Nickel with PTFE
Load Screw: Copper Alloy Sprinkler Wrenches
Deflector: Brass Alloy Model W2
Model J (with guard installed)

Sprinkler Finishes Listings and Approvals

(See Table B) cULus

Sensitivity
Quick response

Model F1FR80-300 Upright Sprinkler Components and Dimensions Figure 1

Load Screw 1 3/8" [36mm]

Deflector

Glass Bulb
(3 mm)
F1FR_THREE QTR_UPR

Wrench Flat 2 3/8" [62mm]

Threads Cap/Seal Assembly

Bulletin 078 Page 2 of 6

October 2022 www.reliablesprinkler.com
 Model F1FR80-300 Pendent Sprinkler SIN RA7812

Technical Specifications
Temperature Ratings(1)
Style:
135°F (57°C)
Pendent
155°F (68°C)
Recessed Pendent
175°F (79°C)
Threads: 3/4” NPT or ISO 7-R3/4
200°F (93°C)
Nominal K-Factor: 8.0 (115)
286°F (141°C)
Max. Working Pressure: 300 psi (20.7 bar)

Material Specifications Recessed Escutcheons

Thermal Sensor: 3 mm Glass Bulb Model F1
Sprinkler Frame: Brass Alloy Model F2
Cap: Bronze Alloy
Sealing Washer: Nickel with PTFE Guards & Shields(2)
Load Screw: Copper Alloy F-7 Guard
Deflector: Brass Alloy F-8 Guard/Shield Kit
S-2 Shield
Sprinkler Finishes Sprinkler Wrenches
(See Table B) Model W2 (non-recessed)
Sensitivity Model W4 (recessed)
Quick response Model J (with guard installed)

Listings and Approvals

cULus Listed

Notes:
1. 286°F (141°C) temperature rated sprinkler not listed for recessed use.
2. Not suitable for recessed pendent installations.

Model F1FR80-300 Pendent Sprinkler Components and Dimensions Figure 2

3 1/4" [83mm]

Threads

Wrench Flat
F1FR_THREE QTR_PEND_INT
2 3/8" [61mm]

Cap/Seal
Assembly
Glass Bulb
(3 mm)

Deflector
Load Screw
1 1/4" [30mm]

Shown with Optional S-1 Water

Shield (Ordered Separately)

Note: Please refer to Figure 3 for recessed installation.

Bulletin 078 Page 3 of 6

October 2022 www.reliablesprinkler.com
 Recessed Installation: Pendent Sprinklers Figure 3

2-1/4" 2-1/4"
(57 mm) Dia. (57 mm) Dia.
Hole in Ceiling Hole in Ceiling
1-15/16" 1-15/16"
(49 mm) Dia. Reducing (49 mm) Dia. Reducing
Fitting Fitting

Face of Fitting Face of Fitting

to Face of Ceiling to Face of Ceiling
1-1/8" (29 mm) at 7/8" (22 mm) at
Max. Recess Max. Recess
3/8" (10 mm) at 3/8" (10 mm) at
Min. Recess Min. Recess

1-3/4" 1-3/4"
(44 mm) 1" (44 mm) 1-1/4"
(25 mm) (32 mm)

Minimum Maximum Minimum Maximum

Recess 2-7/8" (72 mm) Dia. Recess Recess 2-7/8" (72 mm) Dia. Recess

Models F1 & F1FR Pendent Sprinkler Models F1 & F1FR Pendent Sprinkler
with Model F1 Recessed Escutcheon with Model F2 Recessed Escutcheon
3/4" (19mm) Nominal Adjustment 1/2" (13mm) Nominal Adjustment

F1_REC_PEND_NO FP

F1 Recessed Escutcheon
(F2 similar)

Bulletin 078 Page 4 of 6

October 2022 www.reliablesprinkler.com
 Wrenches

Model W2 (upright, surface mount, exposed)

Model W4 (recessed)

Model J (with guard installed)

Finishes(1) Table B
Standard Finishes Special Application Finishes
Sprinkler F1 Escutcheon Sprinkler F1 Escutcheons
Bronze Brass Electroless Nickel PTFE(2) Bright Brass
Chrome Plated Chrome Plated Bright Brass(3) Satin Chrome
White Polyester(2) White Polyester Satin Chrome Custom Color Polyester
Custom Color Polyester(2)
Notes:
1. Paint or any other coating applied over the factory finish will void all approvals and warranties.
2. cULus Listed as corrosion resistant.
3. For 200°F (93°C) maximum temperature rated sprinklers only.

Installation Maintenance
Model F1FR Series sprinklers must be installed in accordance Reliable Model F1FR80-300 series sprinklers should be
with NFPA13 and the requirements of all applicable authorities inspected and the sprinkler system maintained in accordance
having jurisdiction. Model F1FR80-300 Series sprinklers must be with NFPA 25, as well as the requirements of any Authorities
installed with the Reliable sprinkler installation wrench identified Having Jurisdiction.
in this bulletin. Any other wrench may damage the sprinkler. The
Models W2 and W4 wrenches have two sets of jaws. Use the Prior to installation, sprinklers should remain in the original
smallest set of jaws that fit on the wrench flats of the sprinkler. cartons and packaging until used. This will minimize the potential
A leak tight sprinkler joint can be obtained with a torque of 8 for damage to sprinklers that could cause improper operation or
to 18 lb-ft (11 to 24 N.m). Do not tighten sprinklers over the non-operation.
maximum recommended installation torque. Exceeding the
maximum recommended installation torque may cause leakage Do not clean sprinklers with soap and water, ammonia liquid or
or impairment of the sprinkler. any other cleaning fluids. Remove dust by gentle vacuuming
without touching the sprinkler.
Glass bulb sprinklers have orange bulb protectors or protective
caps to minimize bulb damage during shipping, handling and Replace any sprinkler which has been painted (other than factory
installation. Reliable sprinkler installation wrenches are designed applied). A stock of spare sprinklers should be maintained to
to install sprinklers with bulb protectors in place. Remove the allow quick replacement of damaged or operated sprinklers.
bulb protector at the time when the sprinkler system is placed in Failure to properly maintain sprinklers may result in inadvertent
service for fire protection. Removal of the bulb protector before operation or non-operation during a fire event.
this time may leave the bulb vulnerable to damage. Remove bulb
protectors by undoing the clasp by hand. Do not use tools to
remove bulb protectors.

Bulletin 078 Page 5 of 6

October 2022 www.reliablesprinkler.com
 Guarantee
For the guarantee, terms, and conditions, visit www.
reliablesprinkler.com.

Ordering Information
Specify the following when ordering:

Model
• F1FR80-300

Deflector/Orientation
• Upright
• Pendent

Temperature Rating
• See sprinkler technical specifications

Sprinkler Finish
• See Table B

Recessed Escutcheon*
• F1
• F2

Escutcheon Finish
• See Table B

Sprinkler Wrench
• Model W2 (upright, non-recessed pendent)
• Model W4 (recessed pendent)
• Model J (with guard installed)

Note: 286°F (141°C) sprinklers are not listed to be used recessed.

P/N 9999970627

Bulletin 078 Page 6 of 6

October 2022 www.reliablesprinkler.com