Repair Parts Illustrations
34- and 50-Gallon Polaris®
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| No. | Part Name and Description | No. | Part Name and Description |
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| 1 | 1” NPT x 3” Brass Nipple | 20 | 1/2” NPT x 2” Nipples |
| �� | 2 | Thermostat Sensor Bushing | 21 | 1/2” NPT Elbows |
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| 3 | 22 | 1/2” NPT x | |
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| 4 | Thermostat Sensor/ECO | 23 | Red LED |
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| 5 | Inverted Flare Nut | 24 | Yellow LED |
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| 6 | Plug | 25 | Green LED |
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| 7 | Vinyl Tubing | 26 | Thermostat Bezel |
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| 8 | Pressure Switch | 27 | Temperature Selector Knob |
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| 9 | Combustion Blower | 28 | Thermostat Board |
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| 10 | 4” Diameter Blower Gasket | 29 | Ignition Control |
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| 11 | Burner (Natural and LP Same) | 30 | Transformer |
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| 12 | 6” Diameter Burner Gasket | 31A | 2” Condensate Trap Assembly |
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| 13 | Hot Surface Igniter | 31B | 3” Condensate Trap Assembly |
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| 14 | Igniter Bracket | 32 | Cold Water Tube Assembly |
| �� | 15 | Venturi Manifold | 33 | Temperature & Pressure Relief Valve |
| �� | 16 | Reducing Coupling | 34 | Drain Valve |
| 17 | Air Inlet Pipe Assembly | 35 | Potentiometer | |
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| 18 | Gas Valve | 36 | Venturi Gasket (Not Pictured) | |
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| �� | 19 | 1/2” NPT 90° Inlet Flange | 37 | Blower Isolation Relay |
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No. | Part Name and Description | No. | Part Name and Description |
1 | 19 | ||
2 | Thermostat Sensor Bushing | 20 | Conduit |
3 | Thermostat Sensor/ECO | 21 | 3” Condensate Trap Assembly |
4 | Control Panel Housing | 22 | Bushing |
5 | Ignition Control | 23 | Air Inlet Pipe Assembly |
6 | Blower Isolation Relay | 24 | 3/4” Gas Inlet Pipe |
7 | Thermostat Board | 25 | Pipe Coupling |
8 | Transformer | 26 | Gas Valve |
9 | Sight Glass | 27 | Venturi Manifold |
10 | Red LED | 28 | Igniter Bracket |
11 | Yellow LED | 29 | Hot Surface Igniter |
12 | Green LED | 30 | Blower |
13 | Temperature Selector Knob | 31 | 4” Diameter Blower Gasket |
14 | Thermostat Bezel | 32 | Burner (Natural and LP Same) |
15 | Potentiometer | 33 | 6” Diameter Burner Gasket |
16 | Pressure Switch | 34 | Drain Valve |
17 | Vinyl Tubing | 35 | Temperature & Pressure Relief Valve |
18 | Access Panel |
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| 21 |
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| �� | �� | 25 |
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