HL-2 (Mfg 09/00 – 08/05/02) Tube Heater Parts
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| HL-2 Series lnsert |
* By selecting the Data Reference link(s) above you acknowledge that it links to an out-of-production installation, operation manual from the time of a particular heater manufacture. Refer to current day production installation, operation manuals for current day installation requirements.
HL-2 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-8511 | TP-8511 |
| Wire Harness | TP-852 | TP-852 |
| Relay (note: this factory installed option is not on all units) | TP-825 | TP-825 |
| Ignition Device | TP-50 | TP-50A |
| 50-125 MBH Burner | TP-200A | TP-3072 |
| 150-200 MBH Burner | TP-201 | TP-201B |
| Natural Gas Valve | TP-840 | TP-840A |
| LP Gas Valve | TP-841 | TP-841A |
| Transformer | TP-826 | TP-826 |
| 24V Yellow Operational Indicator Light | TP-828 | TP-828 |
| Flame Rod | TP-222 | TP-222 |
| 16″ Tube | TP-202 or TP-980 | TP-380 or TP-980 |
| Combustion Chamber2, 50-125 MBH (Coated Aluminized Steel) | TP-26A | TP-26A |
| Combustion Chamber2, 150-200 MBH (Titanium Coated Steel) | TP-26B | TP-26B |
| Combustion Chamber2, 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): Micro 60-24
2 Refers to the first 10′ section of tubing downstream of burner.
3 Models with stainless steel upgrades require TP-20D 10 Ft. Reflector Sections.
| PRESSURE SWITCHES | |||||
| BTU/H Range (x1000) | 50-100 | 125-150 | 175 | 200 | |
| Switch 13 | Part Number | TP-264B | TP-264D | TP-264D | TP-264C |
| X-Ref., IS220- | -10051F5166 | -20051F5170 | -20051F5170 | -40351F5172 | |
| Normal Setting | Open | Open | Open | Open | |
| P. S. Tube Set | TP-AK3 | TP-AK3 | TP-AK3 | TP-AK3 | |
| Switch 23 | Part Number | TP-260F | TP-260F | TP-260G | TP-260G |
| X-Ref., IS220- | -62052F5176 | -62052F5176 | -62052F5175 | -62052F5175 | |
| Normal Setting | Closed | Closed | Closed | Closed | |
| P. S. Tube Set | TP-AK4 | TP-AK4 | TP-AK4 | TP-AK4 | |
3 Pressure switch #1 is electrically first in series, and pressure switch #2 is second in series.