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Laars
OEM Replacement Parts
CSI CONSERVATION SYSTEMS INC 407.351.9121    CONTACT    BACK    HOME
   
Laars Series 2 Model ESG Pool & Spa Heater
Manufactured and Sold from 1993 to 1996.
Please call (407) 351-9121 or send a message for applicability, availability and pricing. Before contacting CSI, please write down your unit's complete model and serial number to help us identify the correct OEM replacement part(s) you require. An asterisk (*) indicates a part we normally keep on hand. Other OEM parts available by special order. Please read our Terms of Sale notice carefully before placing an order.
 
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| Pilot System | Gas System | Electrical System | Water System | Firebox | Vent System |

Pilot System
Complete Pilot & Burner Assemblies
Complete factory-assembled pilot and burner assemblies include pilot, burner, adapter, shield, insulator and all hardware.
R0099100 Complete Pilot & Burner Assembly for Natural Gas*
R0096700 Natural Gas Pilot/Pilot Generator Assembly
10576400 Pilot Bracket Adapter
R0323300 Pilot Shield
F0031300 Pilot Bracket Screw
R0099300 Ceramic Insulator Assembly
10457500 Main Gas Burner with Pilot Bracket
R0099200 Complete Pilot & Burner Assembly for Propane Gas*
R0096600 Propane Gas Pilot/Pilot Generator Assembly
10576400 Pilot Bracket Adapter
R0323300 Pilot Shield
F0031300 Pilot Bracket Screw
R0099300 Ceramic Insulator Assembly
10457500 Main Gas Burner with Pilot Bracket
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Individual Pilot & Burner Assembly Components
R0096700
R0096600
Natural Gas Pilot Assembly with Pilot Generator Cartridge*
Propane Gas Pilot Assembly with Pilot Generator Cartridge*
W0036901 Pilot Generator Cartridge with Lead*
10576400
R0323300
F0031300
R0099300
Pilot Bracket Adapter
Pilot Shield
Pilot Bracket Screw
Ceramic Insulator Assembly
10457500 Main Gas Burner with Pilot Bracket*
R0037000 Aluminum Pilot Tubing*
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Gas System
Gas Controls
R0096400
R0096900
Natural Gas Valve (All Sizes)*
Propane Gas Valve (All Sizes)*
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Complete Burner Tray Assemblies
Complete Factory-Assembled Burner Trays include: Burner Tray Sheet Metal, Gas Valve, Gas Orifices, Anti-Rotation Bracket, Gas Burner Manifold, Main Gas Burners, Main Gas Burner with Pilot Bracket, Pilot Burner, Pilot Generator Cartridge & Lead, Pilot Bracket Adapter, Pilot Bracket Shield and Ceramic Insulator Assembly.

Natural Gas
R0098601
R0098602
R0098603
R0098604
R0098605
Complete Burner Tray Assembly 125
Complete Burner Tray Assembly 175
Complete Burner Tray Assembly 250
Complete Burner Tray Assembly 325
Complete Burner Tray Assembly 400
Propane Gas
R0098701
R0098702
R0098703
R0098704
R0098705
Complete Burner Tray Assembly 125
Complete Burner Tray Assembly 175
Complete Burner Tray Assembly 250
Complete Burner Tray Assembly 325
Complete Burner Tray Assembly 400
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Individual Burner Tray Components
L0032200
L0032900
Natural Gas Orifice*
Propane Gas Orifice*
L0052300 Main Gas Burner*
L0052200
L0006300
L0006400
L0006500
L0006600
Gas Burner Manifold 125
Gas Burner Manifold 175
Gas Burner Manifold 250
Gas Burner Manifold 325
Gas Burner Manifold 400 
R0317001
R0317002
R0317003
R0317004
R0317005
Burner Tray Shelf 125 (Sheet Metal Only)
Burner Tray Shelf 175 (Sheet Metal Only)
Burner Tray Shelf 250 (Sheet Metal Only)
Burner Tray Shelf 325 (Sheet Metal Only)
Burner Tray Shelf 400 (Sheet Metal Only)
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Electrical System
Temperature Controls
R0058200 Temperature Control Assembly*
R0011800
E0116400
R0010700
R0058000
Temperature Control Sensor*
Temperature Control Sensor "O" Ring*
Temperature Control Knob*
Temperature Control Wiring Harness
High-Limit Switches
R0022700
R0023000
R0023200
10419300
R0012800
High-Limit Switch 135°F*
High-Limit Switch 150°F*
High-Limit Switch Assembly (135°F/150)°F*
High-Limit Switch Assembly (135°F/150)°F with Wiring Harness*
Redundant High-Limit Switch 275°F*
Water Pressure Switch & Siphon Loop
R0013200
R0057800
2PSI Water Pressure Switch*
Siphon Loop Assembly*
Other Electrical Components
R0096800
R0098900
Piezo Lighter Assembly*
High-Voltage Lead Assembly*
R0012200
R0061100
10480000
Fusible Link Assembly*
Transformer*
In-Line 2A Fuse Assembly
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Water System
Complete Heat Exchanger Assemblies
Complete factory-assembled heat exchanger includes standard copper/cast iron tube assembly, glass-lined cast iron 2-pass inlet/outlet header, glass-lined cast iron 2-pass return header, header gaskets and all hardware.
10606401
10606402
10606403
10606404
10606405
Complete Heat Exchanger Assembly 125
Complete Heat Exchanger Assembly 175
Complete Heat Exchanger Assembly 250
Complete Heat Exchanger Assembly 325
Complete Heat Exchanger Assembly 400
10606506
10606507
10606508
10606509
10606510
Complete 2" ASME Heat Exchanger Assembly 125
Complete 2" ASME Heat Exchanger Assembly 175
Complete 2" ASME Heat Exchanger Assembly 250
Complete 2" ASME Heat Exchanger Assembly 325
Complete 2" ASME Heat Exchanger Assembly 400
Heat Exchanger Tube Assemblies
Baffles, baffle retainers, and gaskets are included.
Copper Tube Assemblies with Glass-Lined Cast Iron Headers
Suitable for most swimming pools and spas.
R0018101
R0018102
R0018103
R0018104
R0018105
Heat Exchanger Tube Assembly 125
Heat Exchanger Tube Assembly 175
Heat Exchanger Tube Assembly 250
Heat Exchanger Tube Assembly 325
Heat Exchanger Tube Assembly 400
Cupronickel Tube Assemblies with Glass-Lined Cast Iron Headers
Hardened copper tubes are ideal for corrosive pool or spa water.

R0095601
R0095602
R0095603
R0095604
R0095605

Heat Exchanger Tube Assembly 125
Heat Exchanger Tube Assembly 175
Heat Exchanger Tube Assembly 250
Heat Exchanger Tube Assembly 325
Heat Exchanger Tube Assembly 400
Cupro-Nickel Tube Assemblies with Bronze Headers
For saltwater swimming pools and spas.

10591201
10591202
10591203
10591204
10591205

Heat Exchanger Tube Assembly 125
Heat Exchanger Tube Assembly 175
Heat Exchanger Tube Assembly 250
Heat Exchanger Tube Assembly 325
Heat Exchanger Tube Assembly 400
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Heat Exchanger Baffles, Gaskets & Hardware
10697401
10697402
10697403
10697404
10697405
Heat Exchanger Baffle 125
Heat Exchanger Baffle 175
Heat Exchanger Baffle 250
Heat Exchanger Baffle 325
Heat Exchanger Baffle 400
R0050800 Heat Exchanger Gasket Assembly (Set of 18)
R0057000 Complete Heat Exchanger Hardware Set
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Headers, Flanges & Gaskets
R0058400
R0056400
R0058300
Cast Iron Inlet/Outlet Header 1½"
Cast Iron Inlet/Outlet Header 2"
Cast Iron Return Header
R0054700
R0016800
R0054600
Bronze Inlet/Outlet Header 1½"
Bronze Inlet/Outlet Header 2"
Bronze Return Header
R0057000
R0050800
F0046100
Header Bolt Assembly (Bolts, Nuts, Washers)
Header Gasket Assembly (Set of 8)
Header Bolt 2½"
R0031900
R0055000
Cast Iron Flange & Gasket Assembly 1½"
Cast Iron Flange & Gasket Assembly 2"
S0053300
S0053100
S0028000
Cast Iron Flange 1½"
Flange Gasket 1½"
Flange Sleeve 1½"
10573500
S0078000
S0078200
Cast Iron Flange 2"
Flange Gasket 2"
Flange Sleeve 2"
F0031700 Flange Bolt
By-Pass Assembly
R0013100 By-Pass Assembly
Optional Water System Components
R0040400 Pressure Relief Valve ¾" NPT 75 PSI
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Firebox
Complete Refractory Tile Assemblies
Complete factory-assembled tile kits include refractory tile and insulation blanket mounted in a rigid steel frame.
R0325301
R0325302
R0325303
R0325304
R0325305
Complete Tile Kit 125
Complete Tile Kit 175
Complete Tile Kit 250
Complete Tile Kit 325
Complete Tile Kit 400
Tile Cover Components
10314901
10314902
10314903
10314904
10314905
Front / Rear Tile Cover 125
Front / Rear Tile Cover 175
Front / Rear Tile Cover 250
Front / Rear Tile Cover 325
Front / Rear Tile Cover 400
10167300 Side Tile Cover
Insulation
T0002000 Fiberglass Insulation (per foot)
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Vent System
Indoor Venting Components
10561401
10561402
10561403
10561404
10561405
Indoor Draft Hood 125
Indoor Draft Hood 175
Indoor Draft Hood 250
Indoor Draft Hood 325
Indoor Draft Hood 400
Outdoor Venting Components
10561501
10561502
10561503
10561504
10561505
Outdoor Vent Cap 125
Outdoor Vent Cap 175
Outdoor Vent Cap 250
Outdoor Vent Cap 325
Outdoor Vent Cap 400
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Please call (407) 351-9121 or send a message for applicability, availability and pricing. Before contacting CSI, please write down your unit's complete model and serial number to help us identify the correct OEM replacement part(s) you require. An asterisk (*) indicates a part we normally keep on hand. Other OEM parts available by special order. Please read our Terms of Sale notice carefully before placing an order.
 
Exploded View & Parts List
 
Return to the Parts Menu
Specifications subject to change without notice.
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