Laarsen Associates VW, PW, IW warranty Parts Identification

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Mighty Therm Volume Water Heater	Page 23

NOTE:

Temperature Control Wells -

Inlet/Outlet Header

1. Firing Mode L, K, & C -

2 Dry Wells

2. Firing Mode H

A. Natural Gas Boilers & Heaters 500 thru 850 - 2 Dry Wells

1010 thru 1430 - 3 Dry Wells

1670 thru 1825 - 4 Dry Wells B. Propane Gas Boilers & Heaters

500 thru 850 - 2 Dry Wells

1010 thru 1852 - 3 Dry Wells

Figure 22. Parts Identification.

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Contents Mighty Therm Table of Contents 1B. Heater Identification General Information1A. Introduction 1C. Flow Requirements Installation2A. Heater Placement 2B. Installation of Indoor HeatersInstallation on Concrete Blocks or Tile 2B-1. Combustion Air Supply 2D. Gas Supply and Piping 2C. Installation of Outdoor Heaters2F. Water Piping of System 2E. Electrical WiringPressure Relief Valve Location 2G. Water Expansion2H. Pump Performance and Installation Hot Water Supply System Model VW & PW With Vertical Tank HorizontalSplit System Piping Diagram, Model IW Dual Installation Piping Diagram, Model IW With Vertical Tank With Horizontal TankMighty Therm Volume Water Heater 2I. Water Pressure 2J. Tank Installation2K. Two-Temperature System Operation3B. Initial Start-Up Hi-Limit Checkout 3C. To Start Up SystemIndoor Models Maintenance3D. To Turn Off Heater 3E. To Shut Down SystemHeater will not Fire Troubleshooting and Analysis Service ProblemsIII. Water Dripping Firebox Numbers Parts Identification Laars Heating Systems Tile Assemblies Ignition Control, Electronic Safety Gas Valve, On-Off Two Stage Nat Plug, 3/4, Sq. Hd Outdoor Parts See Parts Illustration On Outdoor Parts Descriptions and Order NumbersMighty Therm Volume Water Heater Energy Management Monitor EM2 Pump Rotating Sections and Repair PartsOptional Parts Descriptions and Order Numbers