SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
2014-SEP-01 REV. 11 PAGE 4-29
R-102 Restaurant Fire Suppression Manual
Nozzle Application Chart (Continued)
Minimum Nozzle
Maximum Hazard Nozzle Nozzle Nozzle Stamping –
Hazard Dimensions Quantity Heights Part No. Flow No.
Fryer (Non-Split Vat Only) Maximum Size
(Continued) (without drip board)
14 1/2 in. (368 mm)
x 16.5 in. (419 mm)
High Proximity 1 16 – 21 in. 439845 290
(406 – 533 mm)
Fryer (Non-Split Maximum Size
Vat Only)* (with drip board)
21 in. (533 mm) x
14 in. (355 mm)
(Fry Pot must not exceed
15 in. x 14 in.
(381 mm x 355 mm))
High Proximity 1 27 – 47 in. 439842 230
(685 – 1193 mm)
Medium Proximity 1 20 – 27 in. 439843 245
(508 – 685 mm)
Maximum Size
(with drip board)
25 3/8 in. (644 mm)
x 19 1/2 in. (495 mm)
(Fry pot side must not
exceed 19 1/2 in.
(495 mm) x 19 in.
(483 mm)
High Proximity 1 21 – 34 in. 439841 3N
(533 – 863 mm)
Low Proximity 1 13 – 16 in. 439845 290
(330 – 406 mm)
Maximum Size
(with drip board)
18 in. (457 mm)
x 27 3/4 in. (704 mm)
High Proximity 1 25 – 35 in. 439841 3N
(635 – 889 mm)
Maximum Size
(with drip board)
14 1/2 in. (368 mm)
x 26.5 in. (673 mm)
High Proximity 1 16 – 21 in. 439845 290
(406 – 533 mm)
Fryer (Split or Maximum Size
Non-Split Vat) (with drip board)
14 in. (355 mm) x
21 in. (533 mm) 1 13 – 16 in. 439845 290
Low Proximity (330 – 406 mm)
Fryer (Split or Maximum Size
Non-Split Vat) (with drip board)
14 1/2 in. (368 mm) x
26 1/2 in. (673 mm) 1 16 – 27 in. 439845 290
Medium Proximity (406 – 685 mm)
* For multiple nozzle protection of single fryers, see detailed information on Pages 4-10 and 4-11.
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