Combu 40130 Primary Oil Filter – 300 Micron, 1" NPT (Model 70101-300)
The Combu 40130 Primary Oil Filter is a high-performance, industrial-grade oil filter designed for a wide range of applications, including residential, commercial, industrial, and waste oil systems. With a 300-micron stainless steel element, durable die-cast aluminum housing, and a leak-proof design, this filter ensures clean fuel delivery and reliable system operation.
Compatible with PowerFlame 985400 and equivalent models.
✅ Key Features
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✅ 300-micron stainless steel element — cleanable and recyclable for long-term use
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✅ 1" NPT female connection for easy installation
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✅ Leak-proof captive “O” ring ensures secure seal between cup and cover
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✅ Durable die-cast aluminum housing resists corrosion and wear
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✅ Supplied with vent and drain ports for convenient servicing
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✅ Bottom element gasket assembly ensures tight fit and eliminates vacuum leaks
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✅ U.L. Listed for Kerosene, No. 2 Fuel Oil, No. 4, 5, 6 Heavy Oils, and Waste Oils
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✅ Direct replacement for PowerFlame 985400
📊 Specifications
| Parameter | Detail |
|---|
| Part Number |
40130 |
| Model Number |
70101-300 |
| Micron Rating |
300 |
| Pipe Size |
1" NPT (Female) |
| Flow Rating |
320 GPH @ 0.5" Hg Pd No. 2 Oil |
| Element Type |
Stainless Steel, Cleanable / Recyclable |
| Housing Material |
Die-Cast Aluminum |
| Vent & Drain Ports |
Yes |
| UL Listed For |
Kerosene, No. 2, 4, 5, 6 Heavy Oils & Waste Oils |
| Replacement Element |
41090 |
🔁 Cross Reference Table
| Brand | Part Number | Notes |
|---|
| Combu |
40130 |
OEM |
| PowerFlame |
985400 |
Direct replacement |
⚠️ Common Symptoms Indicating a Filter Replacement
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Reduced flow or pressure in the oil line
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Fouled or clogged oil nozzles
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Irregular burner performance or flame instability
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Oil leakage around filter cover
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Vacuum leaks or suction loss at the pump
❓ Frequently Asked Questions (FAQ)
Q: Is the filter element replaceable?
A: Yes, use Combu Part #41090. The housing is reusable — simply swap the element to maintain filtration.
Q: Can this filter handle heavy fuel oils?
A: Yes, it is U.L. listed for No. 2, 4, 5, 6 heavy oils, kerosene, and waste oils.
Q: Does it come with vent and drain ports?
A: Yes, it includes both for easy maintenance and cleaning.
Q: Is it compatible with other brands?
A: Yes, it’s equivalent to PowerFlame 985400.
🛒 Shopping Tips
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Always check micron rating (300 micron) for your application.
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Replace the element regularly to prevent fouling of nozzles and pumps.
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Inspect the “O” ring and housing for wear when servicing.
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Use UL-listed fuels to maintain compliance and safety.
📝 Note
For replacement element only, see Part Number 41090. The filter housing is reusable — simply swap out the element to maintain optimal filtration performance.
