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 3
2.3 Compliance with Codes
Each P-K STORM
™
boiler with standard components complies
with American National Standard/CSA
Standard ANSI Z21.13/CSA 4.9, latest edition for Gas-Fired Low Pressure Steam and Hot Water
Boilers.
The P-K STORM
™
ST-2500, ST-3000, ST-3500 and ST-4000
heat exchangers are constructed and
stamped in accordance with ASME Boiler and Pressure Vessel Code, Section IV for 160 psig maximum
pressure and 210
°
F maximum temperature. Other codes or approvals which apply will be labeled on
the boiler.
ST-2500, ST-3000, ST-3500 & ST-4000
Code of Construction
(Boiler)
ASME Section IV
– “H” (Latest Edition)
Maximum Allowable Working
Pressure
160 PSIG
Maximum Allowable Design
Temperature
210
°
F
Hi-Limit Setpoint
200
°
F
Maximum Setpoint
185
°
F
Installation of the boiler must conform to all the requirements of all national, state and local codes
established by the authorities having jurisdiction or, in the absence of such requirements, to the
National Fuel Gas Code, ANSI Z223.1/NFPA 54 latest edition in the U.S. In Canada, the equipment
shall be installed in accordance with the current Installation Code for Gas Burning Appliances and
Equipment, CAN/CSA-B.149, latest edition, and applicable Provincial Regulations for the class, which
should be carefully followed in all cases. Authorities having jurisdiction should be consulted before
making any installation.
Where required by local codes, the installation must conform to American Society of Mechanical
Engineers Safety Code for Controls and Safety Devices for Automatically Fired Boilers (ASME CSD-1).
In the Commonwealth of Massachusetts (a) this unit must be installed by a licensed pipe fitter/plumber,
(b) field installed gas cocks must be “T” handle type, (c) piping of condensate shall conform to the State
Plumbing Code, and (d) refer to the Massachusetts Supplement for further details.