Combu 40130 Primary Oil Filter – 300 Micron, 1" NPT

Model Number: 70101-300
Part Number: 40130
Power Flame Part #: 985400
Replacement Element: Combu 41090 / Power Flame 985413 (Model 70100-300, 300 Micron)

The Combu 40130 Primary Oil Filter is a heavy-duty, industrial-grade fuel oil filter designed for residential, commercial, industrial, and waste-oil systems. Built with a replaceable 300-micron element, a corrosion-resistant die-cast aluminum housing, and a leak-proof captive O-ring, this filter delivers reliable, high-flow performance for demanding fuel oil applications.

This filter is a direct replacement for Power Flame 985400 and is U.L. listed for a wide range of fuel types, including kerosene, No. 2 oil, and heavy oils (4, 5 & 6).

✅ Key Features

• ✅ 300-micron replaceable element — reusable and long-lasting

• ✅ 1" NPT female connections for straightforward installation

• ✅ Leak-proof captive O-ring between cup and cover

• ✅ Die-cast aluminum housing resists corrosion and wear

• ✅ Integrated vent & drain ports for easy servicing

• ✅ Bottom element gasket assembly prevents vacuum leaks

• ✅ U.L. Listed for kerosene, No. 2, 4, 5, 6 heavy oils & waste oils

• ✅ Direct replacement for Power Flame 985400

📊 Specifications

🔁 Cross Reference Table

⚠️ Common Symptoms Indicating Filter Replacement

• Reduced flow or pressure in oil line

• Fouled or clogged oil nozzles

• Flame instability or irregular burner performance

• Oil leakage around filter or cover

• Vacuum leaks / suction loss at the pump

❓ Frequently Asked Questions (FAQ)

Q: Is the filter element replaceable?
A: Yes — use Combu 41090 / Power Flame 985413 (300 Micron).

Q: Can this filter handle heavy oils?
A: Absolutely. It is U.L. listed for No. 2 fuel oil, kerosene, heavy oils (4, 5, 6), and waste oil.

Q: Is it compatible with Power Flame systems?
A: Yes — it is a direct replacement for Power Flame 985400.

Q: How often should the element be replaced?
A: Replace the element when flow decreases or during routine maintenance.

🛒 Shopping Tips

• Verify your system requires 300-micron primary filtration.

• Replace the element regularly to maintain high flow and prevent nozzle fouling.

• Inspect O-rings and gaskets during each service.

• Use UL-listed fuels for optimal performance.

📝 Notes & Other Important Replacement Parts

• Replacement Element: Combu 41090 / Power Flame 985413 (Model 70100-300, 300 Micron)

• Drain & Vent Plug: Combu 42390 / Power Flame 985424

• Center Bolt O-Ring: Combu 42090 / Power Flame 985423

• Filter Cap Only: Combu 42449 / Power Flame 985427

• Gasket / O-Ring Kit: Combu 42331 / Power Flame 980260 (for 70101 Models)

• Cover O-Ring: Combu 42030 / Power Flame 985417

• Upper Element Gasket: Combu 42341 / Power Flame 985421 (Included on 41090 Elements)

• Filter Bowl Only: Combu 42450 / Power Flame 985426

Note: The filter housing is reusable — replace the element and any worn gaskets or O-rings to maintain peak performance.

🔍 Comparison: Combu 40140 vs Combu 40130