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Boiler Memos and Technical Grams

April 4, 2025Required NDE for Scotch Marine Boilers installing a flush patch to tube sheet

March 21, 2023Inspection of Power Miniature Boilers Integrally Installed in a Steam Sterilizer

December 15, 2022Carbon Monoxide (CO) Detector Rules - Verification of 50 ppm Setpoint

September 6, 2022Carbon Monoxide Detector Rules Effective Dates

September 24, 2019Technical Gram 2019-01, Tropical Storm Imelda

October 29, 2018Technical Gram 2018-06, Changes to the Boiler Certificates of Operation

July 12, 2018Technical Gram 2018-05, Leased Boilers

July 12, 2018Technical Gram 2018-04, Rental Boilers (Portable Boilers)

May 14, 2018Technical Gram 2018-02, Electric Power Boiler Water Level Indicators

February 26, 2018Technical Gram 2018-01, Water Supply Boilers and Potable Water Heaters

September 20, 2017Technical Gram 2017-05, Hurricane Harvey: Boiler Extensions

September 19, 2017Technical Gram 2017-04, Hotsy Boilers

August 7, 2017 - Technical Gram 2017-03, PHP Boilers

August 7, 2017Technical Gram 2017-02, Proper Venting Requirements, Applicable to Extensions Only (Texas Boiler Rule 16 TAC Section 65.606)

May 25, 2017Technical Gram 2016-04 AMENDED, Routine Repair Stamping

January 24, 2017Technical Gram 2017-01 Type B Vent Piping

November 15, 2016Technical Gram 2016-03, Tube Plugging Requirements; Texas Administrative Code, Chapter 65, Section 65.612(e)(2)(E) Plugging of boiler tubes (excluding tubes in headers of economizers, evaporators, superheaters, or reheaters).

November 15, 2016Technical Gram 2016-05, Rule 65.602. Chimneys and Vents (Adopted effective June 15, 2015, 40 TexReg 3121) All chimneys and vents shall be installed in accordance with Boiler Manufacture recommendations and Chimney/Vent Manufacturer recommendations.

December 17, 2015Superior Boiler - Creek Model Condensing Boiler Inspection Openings

January 17, 2012Hoffman Model JEL-3 Hat Steamers Low Water Cut Off Device (also 175kb PDF attachment)

January 11, 2012ASME Section I Boiler Safety Valve Changeover Valve (also 740kb PDF attachment)

August 31, 2011Noritz Tankless Water Heater LWFC Devices

July 28, 2011Boiler Low-Water Fuel Cutoff Devices

July 28, 2011Drain Valves on Hot Water Heating and Supply Boilers

July 2, 2007Inspection Reports and Repair Requirements Forms

February 8, 2007Takagi MOBIUS T-M1 Instantaneous Water Heater

May 23, 2006Stacked Boilers (PVI)

May 23, 2006Stack Rack - Munchkin

March 27, 2006Noritz Tankless Water Heaters

March 27, 2006Boiler Technical Grams

September 27, 2005Johnson Controls F61 Series Flow Switches

August 31, 2005Lochinvar Multi-Stack Systems

May 24, 2005AERCO BK2.02 Hot Water Heating Boilers

April 26, 2005Potable Water Heaters

February 15, 2005Riverside Hydronics Stacked Boilers

December 16, 2004Hamilton Engineering Stacked Boilers

August 9, 2004Stacked Boilers (Laars)

April 15, 2004Electric Boiler Stamping

April 14, 2004Stacked Boilers (RBI)

March 29, 2004Boiler Extensions

February 18, 2004Stacked Boilers (PVI)

November 21, 2003Stacked Boilers (Raypak)

November 20, 2003Stacked Boilers (A. O. Smith Lockinvar)

November 12, 2003Acceptable Water Flow Switches

August 18, 2003Multiple Pressure Steam Generators

June 5, 2003Boiler Law Change Regarding Extensions

April 23, 2002Boiler Low-Water Fuel Cutoff Devices

October 5, 2000Flow Switches

October 21, 1999Stacked A. O. Smith Boilers