Laarsen Associates IW, PW, VW warranty Plug, 3/4, Sq. Hd

Page 28

Key

Description

Model

Model

Model

 

Model

Model

Model

Model

Model

Model

No

 

500

600

715

 

850

 

1010

 

1200

 

1430

 

1670

1825

89

Plug, 3/4, Sq. Hd.

P0027000

P0027000

P0027000

 

P0027000

P0027000

P0027000

P0027000

P0027000

P0027000

90

Pipe Extension 1/2" Female

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2" Male

P0072300

P0072300

P0072300

 

P0072300

P0072300

P0072300

P0072300

P0072300

P0072300

91

Baffle, Diffuser

10338400

10338400

10338400

 

10338400

10338400

10338400

10338400

10338400

10338400

92

Burner Tray, IID, 2 Stage, SGL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sect. Manifold (Nat)

10550601

10550602

10550603

 

10550604

10550605

10550606

10550607

10550608

10550609

93

Burner Tray, St. Pilot, 2 Stage,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SGL, Sect. Manifold (Pro)

10529601

10529602

10529603

 

10529604

10529605

10529606

10529607

10529608

10529609

94

Burner Tray, I I D, 4 Stage,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Split Manifold (Nat)

10550701

10550702

10550703

 

10550704

10550705

10550706

10550707

10550708

10550709

95

Burner Tray, St. Pilot, 4 Stage,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Split Manifold (Pro)

10550301

10550302

10550303

 

10550304

10550305

10550306

10330307

10330508

10330509

96

Burner Tray, IID, Mech. Mod.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Split Manifold (Nat)

10550701

10550702

10550703

 

10550704

 

——

——

——

——

 

——

 

97

Burner Tray, I I D, Mech. Mod.,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 & 4 Sect. Manifold (Nat)

——

——

——

——

10551201

10551202

10551203

10551204

10551205

98

Burner Tray, St. Pl. Mech.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mod. SpIt. Manifold (Pro)

10550301

10550302

10550303

 

10550304

 

——

——

——

——

 

——

 

99

Burner Tray, St. Pl., Mech.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mod., 3 Sect. Manifold (Pro)

——

——

——

——

10550501

10550502

10550503

10550504

10550505

100

Combination Gas Valve,

V0059600

V0059600

V0059600

 

V0070400

V0070400

V0070400

 

——

——

——

 

4 Stage, (Nat)

(2)

(2)

(2)

 

(2)

 

(2)

 

(2)

 

 

 

 

 

101

Safety Gas Valve, 4 Stage (Nat)

——

——

——

——

——

 

——

 

V0046700

 

V0046800

 

V0046800

 

102

Operating/Reg. Gas Valve,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Stage (Nat)

——

——

——

——

——

 

——

 

V0051300

 

V0051300

 

V0051300

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

 

(2)

(2)

103

Combination Gas Valve,

V0070800

V0070800

V0070800

 

V0070900

V0070900

V0070900

V0070900

 

——

——

 

4 Stage, (Pro)

(2)

(2)

(2)

 

(2)

 

(2)

 

(2)

 

(2)

 

 

 

104

Safety Gas Valve,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Stage, (Pro)

——

——

——

——

——

 

——

 

——

V0046700

V0046700

 

105

Operating/Reg. Gas Valve,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Stage (Pro

——

——

——

——

——

 

——

 

——

V0054900

V0054900

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

(2)

106

Modusnap Gas Valve, (HH &PH

V0045100

V0045100

V0045100

 

V0045100

 

——

——

——

——

 

——

 

 

Only), Mech. Mod. (Nat & Pro)

V0071100

V0071100

V0071100

 

V0071100

V0071100

V0071100

V0071100

V0071100

V0071100

 

 

 

 

 

 

 

 

(3)

 

(3)

 

(3)

N(4) & P(3)

N(4) & P(3)

107

Operating/Reg. Gas Valve,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mech. Mod. (Nat)

V0047600

V0047600

V0047600

 

V0047600

V0047700

V0047700

V0047700

V0047800

V0047800

108

Operating/Reg. Gas Valve,

V0054800

V0054800

V0054800

 

V0054800

V0054800

V0054800

V0054900

V0054900

V0054900

 

Mech. Mod. (Pro)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Numbers in ( ) represent quantity required for each size. Quantity is one otherwise.

Page 28

LAARS HEATING SYSTEMS

Image 28
Contents Mighty Therm Table of Contents 1A. Introduction General Information1B. Heater Identification 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 Optional Parts Descriptions and Order Numbers Pump Rotating Sections and Repair PartsEnergy Management Monitor EM2