General 77 Unifilter Oil Fuel Filter 3/8″ NPT MFG# 9300

SKU: 9300

Weight	5 lbs
Dimensions	12 × 12 × 8 in
Condition	New
Manufacturer Part Number	9300
Brand	General Filters Inc

$52.52

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$52.52	0%
5–9	$49.89	5%
10+	$47.27	10%

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General 77 Unifilter Oil Fuel Filter 3/8" NPT MFG# 9300

Specifications & product details

General 77 Unifilter Fuel Oil Filter

MFG# 9300 – 3/8″ NPT – 10 GPH – 40 PSI

The General 77 Unifilter is a heavy-duty fuel oil filter assembly designed for residential and commercial oil-fired heating systems.

Built with an epoxy-coated steel housing and galvanized interior, this filter provides long-lasting corrosion resistance and leakproof performance.

✅ Performance Specifications:

Firing rate: 10 GPH
Maximum working pressure: 40 PSI
Connection size: 3/8″ NPT
Uses wool felt filter cartridge
Low pressure drop design

✅ Key Features:

4EVERLoc bottom bolt design
Machined gasket seats for leakproof sealing
Removes moisture and solid contaminants
Ideal for one- or two-pipe systems
Durable epoxy-coated construction

Designed for HVAC technicians and oil heat service professionals requiring reliable final filtration.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

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