JB Pump Day - South Grand Rapids
2026-07-21 14:00 - 16:00 (America/Detroit) | SOUTH GRAND RAPIDS – Young Supply, 410 44th Street SW, Wyoming, MI, 49548, United States
FREE inspection and oil change on ALL brands of vacuum pumps!
FREE replacement of normal wear-and-tear on all JB pumps!
Max 2 pumps per contractor!

JB Pump Day - Saginaw
2026-07-22 08:00 - 10:00 | SAGINAW – Young Supply, 125 Davenport Ave., Saginaw, MI, 48602, United States

JB Pump Day - Flint
2026-07-22 14:00 - 16:00 | FLINT – Young Supply, 529 Kelso St., Flint, MI, 48506, United States

JB Pump Day - Lincoln Park
2026-07-23 08:00 - 10:00 | LINCOLN PARK – Young Supply, 1220 John A. Papalas Drive, Lincoln Park, MI, 48146, United States

JB Pump Day - Farmington
2026-07-23 14:00 - 16:00 | FARMINGTON – Young Supply, 30600 W. 8 Mile Rd., Farmington Hills, MI, 48336, United States

JB Pump Day - Pontiac
2026-07-24 11:00 - 13:00 | PONTIAC – Young Supply, 699 Auburn Road, Pontiac, MI, 48342, United States

Brighton Counter Day
2026-08-12 11:00 - 13:00 | BRIGHTON – Young Supply, 2150 Pless Drive, Suite 1A, Brighton, MI, 48114, United States
It’s Counter Day in Brighton! Come join us as we serve lunch to our favorite people – YOU!

Saginaw Counter Day!
2026-08-12 11:00 - 13:00 | SAGINAW – Young Supply, 125 Davenport Ave., Saginaw, MI, 48602, United States
Join us for lunch as we serve our favorite people – YOU!

Flint Counter Day
2026-08-13 11:00 - 13:00 | FLINT – Young Supply, 529 Kelso St., Flint, MI, 48506, United States

KALAMAZOO - 9/1/2026 - Gas/Electrics, VFDs, & Economizers
2026-09-01 08:00 - 12:00 | KALAMAZOO – Young Supply Learning Center, 5737 East Cork St., Kalamazoo, MI, 49048, United States
This class is designed to train commercial technicians on proper installation, diagnostics, and service procedures. The course will cover installation procedures for base systems as well as variable frequency drives and economizers. Advanced topics covered include adjusting airflow, components testing, flame current testing, and more system diagnostics.
Date: Tuesday, September 1 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

KALAMAZOO -9/1/26 - Rheem Rooftop Gas/Electrics Training

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SOUTH GRAND RAPIDS - 9/2/26 - MITSUBISHI M&P 4-HOUR FIELD SERVICE SEMINAR
2026-09-02 08:00 - 12:00 | SOUTH GRAND RAPIDS – Young Supply, 410 44th Street SW, Wyoming, MI, 49548, United States
MITSUBISHI M&P FIELD SERVICE SEMINAR
Wednesday, September 2, 2026 – 8AM – 12PM
The Mitsubishi Field Service Seminar provides participants with an understanding of the fundamentals of Mitsubishi M&P systems. During this 4-hour seminar, you will be introduced to the concepts and theories of operation – including an overview of the unique technologies employed.- Installation and the fundamentals of M-series and P-series systems.- Inverter technology, components, controls, and benefits.- Overview of product line, application and design criteria.- Functional overview of electrical wiring diagrams and refrigeration cycle diagrams.- Trouble shooting procedures – Operation fault codes, test point diagrams, service flowcharts and support.
Instructed by Brent Cox

SOUTH GRAND RAPIDS - 9/2/26 - Mitsubishi M&P 4 Hour Field Service Seminar

PhoneThis field is for validation purposes and should be left unchanged.Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*First NameLast NameClass size is limited. If signing up more than one person from your company, please register each separately. Thank you.This field is hidden when viewing the formAttendee Name(s) - Please list FIRST & LAST name of each attendeeEmail Address for class sign up confirmation email.*

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SOUTH GRAND RAPIDS - 9/3/26 - Rheem Gas/Electrics, VFDs, & Economizers
2026-09-03 08:00 - 12:00 | SOUTH GRAND RAPIDS – Young Supply, 410 44th Street SW, Wyoming, MI, 49548, United States
Class Instructors – Young Supply’s own Larry Marhofer – Dave Fletcher
This class is designed to train commercial technicians on proper installation, diagnostics, and service procedures. The course will cover installation procedures for base systems as well as variable frequency drives and economizers. Advanced topics covered include adjusting airflow, components testing, flame current testing, and more system diagnostics
WHEN: Thursday, September 3, 2026 – 8AM – 12PM

SOUTH GRAND RAPIDS 9/3/26 - Rheem Gas/Electrics, VFDs, & Economizers

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DOWNTOWN TOLEDO - 9/9/26 - MITSUBISHI M&P 4-HOUR FIELD SERVICE SEMINAR
2026-09-09 15:00 - 19:00 | DOWNTOWN TOLEDO – YSC Training Center, 1915 Monroe Street, Toledo, OH, 43604, United States
MITSUBISHI M&P FIELD SERVICE SEMINAR
Wednesday, September 9, 2026 – 3pM – 7PM
The Mitsubishi Field Service Seminar provides participants with an understanding of the fundamentals of Mitsubishi M&P systems. During this 4-hour seminar, you will be introduced to the concepts and theories of operation – including an overview of the unique technologies employed.- Installation and the fundamentals of M-series and P-series systems.- Inverter technology, components, controls, and benefits.- Overview of product line, application and design criteria.- Functional overview of electrical wiring diagrams and refrigeration cycle diagrams.- Trouble shooting procedures – Operation fault codes, test point diagrams, service flowcharts and support.
Instructed by Brent Cox
OCILB approved for 4 CEUs.

DOWNTOWN TOLEDO - 9/9/26 - Mitsubishi M&P 4 Hour Field Service Seminar

EmailThis field is for validation purposes and should be left unchanged.Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*First NameLast NameClass size is limited. If signing up more than one person from your company, please register each separately. Thank you.This field is hidden when viewing the formAttendee Name(s) - Please list FIRST & LAST name of each attendeeEmail Address for class sign up confirmation email.*

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Downtown Toledo - 9/15/26 - Rheem Gas/Electrics, VFDs, & Economizers
2026-09-15 08:00 - 12:00 | DOWNTOWN TOLEDO – YSC Training Center, 1915 Monroe Street, Toledo, OH, 43604, United States
This class is designed to train commercial technicians on proper installation, diagnostics, and service procedures. The course will cover installation procedures for base systems as well as variable frequency drives and economizers. Advanced topics covered include adjusting airflow, components testing, flame current testing, and more system diagnostics.
Tuesday, September 15, 2026 8AM – 12PM
Instructed by – Larry Marhofer and Dave Fletcher

Downtown Toledo - 9/15/26 - Rheem Gas/Electrics, VFDs, & Economizers

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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TROY - 9/16/26 - Rheem Gas/Electrics, VFDs, & Economizers
2026-09-16 08:00 - 12:00 | TROY – YSC Learning Center, 2237 Elliott Dr, Troy, MI, 48083, United States
This class is designed to train commercial technicians on proper installation, diagnostics, and service procedures. The course will cover installation procedures for base systems as well as variable frequency drives and economizers. Advanced topics covered include adjusting airflow, components testing, flame current testing, and more system diagnostics
Date: Wednesday, September 16, 2026 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

TROY - 9/16/26 - Rheem Gas/Electrics, VFDs, & Economizers

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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This field is hidden when viewing the formPayment InformationClass Fee = $120This field is hidden when viewing the formPlease Select a Method of Payment

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FARMINGTON - 9/29/26 Rheem Gas/Electrics, VFDs, & Economizers
2026-09-29 08:00 - 12:00 | FARMINGTON – YSC Tech Center, 30600 Eight Mile Rd., Farmington Hills, 48336, United States
This class is designed to train commercial technicians on proper installation, diagnostics, and service procedures. The course will cover installation procedures for base systems as well as variable frequency drives and economizers. Advanced topics covered include adjusting airflow, components testing, flame current testing, and more system diagnostics.
Date: Tuesday, September 29, 2026 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

FARMINGTON - 9/29/26 - Rooftop Gas/Electrics Training

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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SOUTH GRAND RAPIDS - 9/30/26 - Sinclair Product & Service Training
2026-09-30 08:00 - 12:00 | SOUTH GRAND RAPIDS – Young Supply, 410 44th Street SW, Wyoming, MI, 49548, United States
Class Instructors – Young Supply’s own Larry Marhofer – Dave Fletcher
This class will discuss proper condensate drain construction, Airflow considerations, Venting, Gas Piping, Components, IFC board & Dip switch settings, Service Procedures, Line and Manifold gas pressure settings, Flame sense circuits & ECM motors.
WHEN: Wednesday, September 30, 2026 – 8AM – 12PM

SOUTH GRAND RAPIDS - 9/30/26 - Sinclair Product & Service Training

LinkedInThis field is for validation purposes and should be left unchanged.Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*First NameLast NameClass size is limited. If signing up more than one person from your company, please register each separately. Thank you.This field is hidden when viewing the formAttendee Name(s) - Please list FIRST & LAST name of each attendeeEmail Address for class sign up confirmation email.*

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KALAMAZOO - 10/1/26 - Sinclair Product & Service Training
2026-10-01 08:00 - 12:00 | KALAMAZOO – Young Supply Learning Center, 5737 East Cork St., Kalamazoo, MI, 49048, United States
This class will discuss proper condensate drain construction, Airflow considerations, Venting, Gas Piping, Components, IFC board & Dip switch settings, Service Procedures, Line and Manifold gas pressure settings, Flame sense circuits & ECM motors.
Date: Thursday, October 1 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

KALAMAZOO - 10/1/26 - Sinclair Product & Service Training

Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name - If registering more than one person, please do so separately as class size is limited.*First NameLast NameThis field is hidden when viewing the formAttendee Name - Please list FIRST & LAST name of each attendeeEmail Address (for class sign up confirmation email)*

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Downtown Toledo - 10/13/26 - Sinclair Product & Service Training
2026-10-13 08:00 - 12:00 | DOWNTOWN TOLEDO – YSC Training Center, 1915 Monroe Street, Toledo, OH, 43604, United States
This class will discuss proper condensate drain construction, Airflow considerations, Venting, Gas Piping, Components, IFC board & Dip switch settings, Service Procedures, Line and Manifold gas pressure settings, Flame sense circuits & ECM motors.
Tuesday, October 13, 2026 8AM – 12PM
Instructed by – Larry Marhofer and Dave Fletcher

Downtown Toledo - 10/13/26 - Sinclair Product & Service Training

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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TROY - 10/13/26 - CSD-1 Training Class
2026-10-13 08:00 - 16:00 | TROY – YSC Learning Center, 2237 Elliott Dr, Troy, MI, 48083, United States
This class will cover: code requirements for CSD-1 testing and certification, forms needed, how to test and record, and code updates. There will be a review of current CSD-1 codes, test procedures and recording of information, how to fill out forms for state mandated CSD-1 testing, and best practices.
TRAINEES SHALL BRING WITH THEM TO CLASS:
● ASME CSD-1 2018
● Article 9 Skilled Trades Regulation Act
● Michigan Boiler Rules

This Class Will Earn You 2 NATE CEU Hours!
Class fee includes meal

TROY - 10/13/26 - CSD-1 Training

Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name - If registering more than one person, please do so separately as class size is limited.*First NameLast NameThis field is hidden when viewing the formAttendee Name - Please list FIRST & LAST name of each attendeeEmail Address (for class sign up confirmation email & details of what attendee will need to bring.)*

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Class Fee - $325 (Will be billed day of class)includes class, certification test, and lunch. This field is hidden when viewing the form= TotalPayment InformationClass Fee - $325 (Will be billed day of class)This field is hidden when viewing the formPlease Select a Method of Payment

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TROY - 10/14/26 - Sinclair Product & Service Training
2026-10-14 08:00 - 12:00 | TROY – YSC Learning Center, 2237 Elliott Dr, Troy, MI, 48083, United States
This class will discuss proper condensate drain construction, Airflow considerations, Venting, Gas Piping, Components, IFC board & Dip switch settings, Service Procedures, Line and Manifold gas pressure settings, Flame sense circuits & ECM motors.
Date: Wednesday, October 14, 2026 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

TROY - 10/14/26 - Sinclair Product & Service Training

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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This field is hidden when viewing the formPayment InformationClass Fee = $120This field is hidden when viewing the formPlease Select a Method of Payment

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FARMINGTON - 10/15/26 - Sinclair Product & Service Training
2026-10-15 08:00 - 12:00 | FARMINGTON – YSC Tech Center, 30600 Eight Mile Rd., Farmington Hills, 48336, United States
This class will discuss proper condensate drain construction, Airflow considerations, Venting, Gas Piping, Components, IFC board & Dip switch settings, Service Procedures, Line and Manifold gas pressure settings, Flame sense circuits & ECM motors.
Date: Thursday, October 15, 2026 at 8:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

FARMINGTON - 10/15/26 - Sinclair Product & Service Training

Participant InformationCompany Name*Phone*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name*

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This field is hidden when viewing the formPayment InformationClass Fee = $120This field is hidden when viewing the formPlease Select a Method of Payment

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KALAMAZOO - 10/20/26 - CSD-1 Training Class
2026-10-20 08:00 - 16:00 | KALAMAZOO – Young Supply Learning Center, 5737 East Cork St., Kalamazoo, MI, 49048, United States
This class will cover: code requirements for CSD-1 testing and certification, forms needed, how to test and record, and code updates. There will be a review of current CSD-1 codes, test procedures and recording of information, how to fill out forms for state mandated CSD-1 testing, and best practices.
TRAINEES SHALL BRING WITH THEM TO CLASS:
● ASME CSD-1 2018
● Article 9 Skilled Trades Regulation Act
● Michigan Boiler Rules

This Class Will Earn You 2 NATE CEU Hours!
Class fee includes meal

KALAMAZOO - 10/20/26 - CSD-1 Training

Participant InformationCompany Name*Phone Number*Phone number will be used to contact you in the event of last minute changes to class. Attendee Name - If registering more than one person, please do so separately as class size is limited.*First NameLast NameThis field is hidden when viewing the formAttendee Name - Please list FIRST & LAST name of each attendeeEmail Address (for class sign up confirmation email & details of what attendee will need to bring.)*

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Class Fee - $325 (Will be billed day of class)includes class, certification test, and lunch. This field is hidden when viewing the form= TotalPayment InformationClass Fee - $325 (Will be billed day of class)This field is hidden when viewing the formPlease Select a Method of Payment

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