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P-K Storm
TM
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: June 26, 2020
Released: June 26, 2020
©
Patterson-Kelley 2020
All Rights Reserved.
2691000273 P-K Storm ST2500-ST4000
Installation and Owners Manual Rev A.docx
Page 92
Propylene Glycol Flow
The table below summarizes the flow for the P-K STORM appliances with different Propylene Glycol
mixtures:
Model
→
ST-2500
ST-3000
ST-3500
ST-4000
Mixture
Flow
Pressure Flow
Pressure Flow
Pressure Flow
Pressure
0%
243 GPM 17.0 ft
291 GPM 24.4 ft
340 GPM 19.7 ft
388 GPM 25.7 ft
10%
246 GPM 17.4 ft
295 GPM 25.0 ft
344 GPM 20.2 ft
393 GPM 26.4 ft
20%
249 GPM 17.8 ft
298 GPM 25.6 ft
348 GPM 20.7 ft
398 GPM 27.0 ft
30%
253 GPM 18.4 ft
304 GPM 26.5 ft
354 GPM 21.4 ft
405 GPM 27.9 ft
40%
262 GPM 19.8 ft
315 GPM 28.5 ft
367 GPM 23.0 ft
419 GPM 30.0 ft
50%
274 GPM 21.7 ft
329 GPM 31.2 ft
384 GPM 25.1 ft
439 GPM 32.8 ft
60%
288 GPM 23.9 ft
346 GPM 34.5 ft
403 GPM 27.8 ft
461 GPM 36.3 ft