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Dawson Company

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Our Classes

1/2 Day Heat Pump Water Heater Class

$25

with Kendal Smith

Calendar Mar 11, 2027 at 8:30 am

Taught by: Kendal Smith & RJ Santiago, CPD, GPD

Who Should Attend: Plumbing Engineers / Plumbing Engineers for Design Build Contractors

Topic: Centralized Heat Pump Water Heater (CHPWH) System Design Considerations and New Sizing Techniques

 

• Overview of heat pump refrigerant cycle

• Minimum Lift and Water Side Delta T

• Current 3rd Party Testing Standards 

• Typical refrigerants used for CHPWH

• “Single-Pass” vs. “Multi-Pass” configurationvs. piping schematic

• Peak and off-peak scenario hydronic analysis

• General comments on “single-pass” vs.“multi-pass”

• Electric Swing Tank vs. Electric Backup –hydronic analysis

• General comments vs. gas-fired, ASPE Fixture Tables

• CHPWH Sizing Methods

• Sizing examples with CHPWH Sizing Methods

Lochinvar Condensing Appliance Installation, Maintenance & Troubleshooting

$25

with Steve McCool

Calendar Apr 22, 2027 at 8:30 am

Who Should Attend? :

HVAC/Plumbing contractors and/or facilities service/startup / maintenance / installation personnel

Information to be Covered :

• Anatomy of High Efficiency / High Modulation Gas Appliances

• Proper Installation, Piping, and Controls

• Standard Crest & Crest w/ Hellcat Combustion Technology

• Lochinvar FTXL, Knight XL Condensing Boilers & Armor Condensing Water Heaters

• Product Identification and Description/Function of Product Components.

• Product Sequence of Operation - How Product Operates in Conjunction with the System

• Controls - Explanation of the Different Methods of Remotely Controlling the Units.

• Warranty & Maintenance

• Troubleshooting Operation Issues w/ ANY Condensing Appliance 

Pipe Movement Design for HVAC & Plumbing Systems

$25

with Dan Kish

Calendar May 20, 2027 at 8:30 am

Taught by: Dan Kish & Austin Radous of Metraflex

Who Should Attend? : Engineers, HVAC & Plumbing Contractors

Information to be Covered : 

• The Basics

• Expansion joint selection

• Installation 

• Anchor design

• Failure analysis 

• Guide layout

• Expansion joint layout 

• Stress analysis

Plumbing System Design

$25

with Nick Ekdahl

Calendar Jul 22, 2027 at 8:30 am

Taught by: Nick Ekdahl, CPD, GPD, Kendal Smith & RJ Santiago, CPD, GPD

Who Should Attend? : Engineers and Plumbing Contractors

Information Covered :

• Centrifugal Pumps

• Pump Curves

• System Syzer

• Pressure Booster Application & Design

• DHW Recirculation Design and Sizing

• Water Heating System and Sizing Techniques

• Recirculation Systems

Centrifugal Pump Design, Service & Maintenance Class

$25

with R.J. Santiago

Calendar Sep 23, 2027 at 8:30 am

Taught by : Kendal Smith & RJ Santiago, CPD, GPD

Who Should Attend? : Engineers, HVAC & Plumbing Contractors, Facilities Service/Startup/Maintenance/Installation Personnel

Information to be Covered: 

Types of Pumps

Pump Orientation

Series & Parallel Pumping

Pump Head & Flow

System Curves

Closed/Open Systems

NPSH

Pump Accessories & Components

Motors

System Syzer

Service & Maintenance





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