Laarsen Associates VW, PW, IW warranty Optional Parts Descriptions and Order Numbers

Page 32

SECTION 8. Optional Parts Descriptions and Order Numbers

Pump Rotating Sections and Repair Parts

Check pump assembly on heater for H.P. rating and find correct Laars part number from table below.

Description

 

1/4 HP

 

1/3 HP

 

3/4 HP

 

 

 

 

 

 

 

 

 

 

Pump Rotating Assembly, B&G, 1522 w/3 “ IMP, Bronze, 1P

 

A0048700

 

——

 

——

Pump Rotating Assembly, B&G, Series 90 w/3 “ Impeller, 1P

 

A0077100

 

——

 

——

Pump Rotating Assembly, TACO 1630 w/3 “ Impeller, 1P

 

A0071000

 

——

 

——

Pump Rotating Assembly, TACO 1630 w/4" Impeller, 1P

 

——

 

A0071200

 

——

Pump Rotating Assembly, B&G, 1522 w/4" Impeller, Bronze, 1P

 

——

 

A0047500

 

——

Pump Rotating Assembly, B&G Series 90, w/4" Impeller, 1P

 

——

 

A0077200

 

——

Pump Rotating Assembly, TACO 1630 w/5 “ Impeller, 1P

 

——

 

——

 

A0071400

Pump Rotating Assembly, B&G 1522 w/5 “ Impeller, Bronze, 1P

 

——

 

——

 

A0047700

Pump Rotating Assembly, B&G Series 90, w/5 “, Impeller, 1P

 

——

 

——

 

A0077300

Motor, Pump, B&G 1522 - I P

 

A0054400

 

A0054800

 

A0055600

Coupler, Pump, B&G - Universal

 

A0020200

 

A0020200

 

A0020200

Bearing Assembly, Pump, B&G 1522 - Universal

 

A0021600

 

A0021600

 

A0021600

Bearing Assembly, Pump, B&G 1522, Bronze

 

A0022100

 

A0022100

 

A0022100

Gasket, Pump, B&G 1522 - #PW1 -2151

 

A0021400

 

A0021400

 

A0021400

Mounting Ring, B&G 1522 Motors

 

A0065100

 

A0065100

 

A0065100

Impeller, B&G 1522 - 3"

 

A0058100

 

A0058100

 

A0058100

Impeller, B&G 1522 - 4"

 

A0058200

 

A0058200

 

A0058200

Impeller, B&G 1522 - 5"

 

A0058400

 

A0058400

 

A0058400

 

 

 

 

 

 

 

Automatic Reset Temp. Limit Switch

 

 

 

 

E0014400

Manual Reset High Gas Pressure Switch

 

 

 

 

E0023300

Manual Reset Low Gas Pressure Switch

 

 

 

 

E0023500

Alarm Bell, 110 Volts

 

 

 

 

A0014200

Outdoor Reset, Single Stage 30' Bulb

 

 

..........................

E0067600

Outdoor Reset, Two Stage, 30' Bulb

 

 

..........................

E0084200

Low-water Cut-off, Electronic, Manual Reset

 

 

 

 

E0067900

Low-water Cut-off, Electronic, Automatic Reset With Test Button

 

 

 

 

E2024200

 

 

 

 

 

 

 

Gas valve types and sizes vary with different boiler models, with different fuels and with different firing options. For service and replacement, copy exact number from nameplate giving manufacturer’s name and pipe size.

H0105000D

Energy Management Monitor (EM2)

STANDARD COMPONENTS

Description

Part No.

On/Off Auto Switch

E0109200

Time Delay Relay, 24 VAC

E2077700

Time Delay Relay, 120 VAC

E2077800

 

 

OPTIONAL EQUIPMENT

 

Description

Part No.

Remote Aquastat, 110-240F

E0014400

Immersion Well

E0025900

Note: The Remote Aquastat and the Immersion Well, when required, should be ordered separately.

Waterpik Technologies, Inc.

6000 Condor Drive, Moorpark, CA 93021 • 805.529.2000 • FAX 805.529.5934 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • FAX 603.335.3355

480 S. Service Road West, Oakville, Ontario, Canada L6K 2H4 • 905.844.8233 • FAX 905.844.2635

www.laars.com

Litho in U.S.A. © Laars Heating Systems 0011 Document 2040D

Image 32
Contents Mighty Therm Table of Contents 1B. Heater Identification General Information1A. Introduction Installation 2A. Heater Placement2B. Installation of Indoor Heaters 1C. Flow RequirementsInstallation on Concrete Blocks or Tile 2B-1. Combustion Air Supply 2C. Installation of Outdoor Heaters 2D. Gas Supply and Piping2E. Electrical Wiring 2F. Water Piping of System2G. Water Expansion Pressure Relief Valve Location2H. Pump Performance and Installation With Vertical Tank Horizontal Hot Water Supply System Model VW & PWSplit System Piping Diagram, Model IW Dual Installation Piping Diagram, Model IW With Horizontal Tank With Vertical TankMighty Therm Volume Water Heater 2J. Tank Installation 2K. Two-Temperature SystemOperation 2I. Water Pressure3B. Initial Start-Up 3C. To Start Up System Hi-Limit CheckoutMaintenance 3D. To Turn Off Heater3E. To Shut Down System Indoor ModelsTroubleshooting and Analysis Service Problems Heater will not FireIII. 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 Outdoor Parts Descriptions and Order Numbers See Parts Illustration OnMighty Therm Volume Water Heater Energy Management Monitor EM2 Pump Rotating Sections and Repair PartsOptional Parts Descriptions and Order Numbers