General Filters MFG#3610 FRI Vacuum Gauge 1/2″ NPT Fuel Oil

Name: General Filters MFG#3610 FRI Vacuum Gauge 1/2" NPT Fuel Oil
SKU: 3610
Price: 15.54 USD
Availability: InStock

SKU: 3610

$15.54

Only 2 left in stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$15.54	0%
5–9	$14.76	5%
10+	$13.99	10%

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Available to order: 2.

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Product Description

General Filters MFG#3610 F.R.I. Vacuum Gauge – 1/2″ NPT

The General Filters F.R.I. Vacuum Gauge (MFG#3610) is a fuel oil filter restriction indicator designed to mount directly to the filter head, providing accurate vacuum readings for oil burner systems.

This gauge helps eliminate premature filter changes by clearly indicating when the fuel oil filter cartridge actually requires replacement.

✅ Key Features:

1/2″ NPT threaded brass connection
Color-coded dial (Green / Yellow / Red zones)
Measures filter restriction (vacuum)
Prevents unnecessary filter replacements
Improves burner system efficiency
Easy-to-read analog display

✅ Ideal For:

Residential oil heating systems
Commercial fuel oil burners
Fuel oil filtration assemblies
Preventative HVAC maintenance

High vacuum readings indicate the filter cartridge needs replacement, allowing technicians to service equipment at the correct interval.

Perfect for HVAC professionals and oil burner service technicians.

Product details

Part / SKU	3610

Package includes

General Filters MFG#3610 FRI Vacuum Gauge 1/2" NPT Fuel Oil

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.