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Laars OEM Replacement Parts
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Laars Series Two ESC Pool & Spa Heater
Manufactured and Sold from 1990 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, insulator assembly, pilot tubing, burner with pilot bracket, pilot shield and all hardware.
R0096000 Complete Pilot & Burner Assembly for Natural Gas*
R0061600
R0011600
R0037000
10457500
W0041100		 Pilot Burner with Electrode
Ceramic Insulator Assembly
Aluminum Pilot Tubing
Main Gas Burner with Pilot Bracket
Pilot Bracket Shield
R0096500 Complete Pilot & Burner Assembly for Natural Gas*
R0095800
R0011600
R0037000
10457500
W0041100		 Pilot Burner with Electrode
Ceramic Insulator Assembly
Aluminum Pilot Tubing
Main Gas Burner with Pilot Bracket
Pilot Bracket Shield
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Individual Pilot & Burner Assembly Components
R0061600
R0095800
R0011600
W0041100
R0037000
10457500		 Pilot Burner with Electrode for Natural Gas*
Pilot Burner with Electrode for Propane Gas*
Ceramic Insulator Assembly*
Pilot Bracket Shield
Aluminum Pilot Tubing*
Main Gas Burner with Pilot Bracket*
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Gas System
Gas Controls
R0039200
R0099400
R0095900		 Natural Gas Valve 125/175 MBH*
Natural Gas Valve 250/325/400 MBH*
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, gas burner manifold, main gas burners, main gas burner with pilot bracket, pilot burner, pilot bracket shield, ceramic insulator assembly, aluminum pilot tubing, and anti-rotation bracket.
Natural Gas
R0098801
R0098802
R0098803
R0098804
R0098805		 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
R0097201
R0097202
R0097203
R0097204
R0097205		 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 Control
R0011700 Dual Electronic Pool/Spa Temperature Control*
R0011800
E0116400
R0010700
10457800		 Temperature Control Sensor*
Temperature Control Sensor "O" Ring*
Temperature Control Knob*
Temperature Control Wiring Harness
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Ignition Controls & Leads
R0011900
R0097100		 Electronic Ignition Control (Natural Gas)*
Electronic Ignition Control (Propane Gas)
R0099000 High Voltage Lead Assembly*
10457900
R0097900		 Complete Ignition Control Assembly (Natural Gas)
Complete Ignition Control Assembly (Propane Gas)
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High-Limit Switches
R0022700
R0023000
R0023200
10419300		 High-Limit Switch 135ºF*
High-Limit Switch 150ºF*
High-Limit Switch Assembly (135°F/150)°F*
High-Limit Switch Assembly with Wiring Harness*
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Water Pressure Switch & Syphon Loop
R0013200
R0057800		 2PSI Water Pressure Switch*
Siphon Loop Assembly*
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Other Electrical Components
R0012200
R0099900		 Fusible Link Assembly*
On/Off & Pool/Spa Selector Knob
R0059800
R0021300
10480000
R0012300		 Ignition Control Wiring Harness*
Transformer*
1.25A In-Line Fuse Assembly
1.25A Fuse Packet
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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 & 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
S0083900 Heat Exchanger Baffle Retainer
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
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By-Pass Assembly
R0013100 By-Pass Assembly
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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 Draft Hoods
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 Vent Caps
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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