HL3 (Mfg 10/12 – 07/14) Tube Heater Parts
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| HL3 Series lnsert |
HL3 Series
| COMMON COMPONENTS | ||
| Part Description | Original Part Number | Replacement |
| Fan | TP-55A | TP-55A |
| Air Pressure Switch | See Pressure Switch Chart Below | See Pressure Switch Chart Below |
| Circuit Board | TP-851B1 | TP-851B1 |
| Wire Harness | TP-3252 | TP-3252 |
| Relay (note: this factory installed option is not on all units) | TP-13252 | TP-13252 |
| Ignition Device | TP-50 | TP-50A |
| 50-100 MBH Low Stainless Steel Burner (NaturalGas Only) | TP-3070 | TP-3072 |
| 50-100 MBH Low Stainless Steel Burner (LP Gas Only) | TP-200A | TP-3072 |
| 125-150 MBH Mid Stainless Steel Burner (Nat & LP Gas) | TP-201B | TP-201B |
| 175-200 MBH High Stainless Steel Burner (Nat & LP Gas) | TP-3071 | TP-201B |
| Natural Gas Valve | TP-3140 | TP-3140 |
| LP Gas Valve | TP-3141 | TP-3141 |
| Transformer | TP-826 | TP-826 |
| 24V Yellow Operational Indicator Light | TP-828 | TP-828 |
| 24V Green Operational Indicator Light | TP-1428 | TP-1428 |
| Flame Rod | TP-222 | TP-222 |
| 16″ Tube | TP-3080A | TP-3380 |
| Combustion Chamber3, 50-125 MBH (Coated Aluminized Steel) | TP-26A | TP-26A |
| Combustion Chamber3, 150-200 MBH (Titanium Coated Steel) | TP-26B | TP-26B |
| Combustion Chamber3, 75-150 MBH (409 Stainless Steel) | TP-26E | TP-26E |
| Radiant Tubes (Coated Aluminized Steel) | TP-26A | TP-26A |
| Radiant Tubes (304 Stainless Steel) | TP-26D | TP-26D |
| 10 Ft. Highly Polished Aluminum Reflector Section3 | TP-20C | TP-20C |
| Baffle | TP-65I | TP-65I |
1 Cross Reference Number (on unit): 35-66. Note: This board had an on-board red diagnostic light.
2 When the optional HLRP isolation Relay option is selected, two relays are installed.
3 Refers to the first 10′ section of tubing downstream of burner.
4 Models with stainless steel upgrades require TP-20D 10 Ft. Reflector Sections.
| PRESSURE SWITCHES | |||
| BTU/H Range (x1000) | 65-75 | 100-125 | 150-200 |
| Part Number | TP-264D | TP-1264A | TP-264F |
| X-Ref., IS220- | -20051F5170 | -25051F5127 | -35051F5132 |
| Normal Setting | Open | Open | Open |