1603 GENERALAIRE GAR-BER 11BV-RK FILTER COMPLETE WITH MOUNT π₯
Includes Filter Restriction Indicator & Mounting Bracket
π Product Overview
The Generalaire 1603 (11BV-RK) Complete Spin-On Filter Kit offers reliable fuel filtration for oil-burning systems, ensuring clean, efficient operation.
This upgraded version of the standard 1600 model comes equipped with a Filter Restriction Indicator (FRI Gauge) and a galvanized mounting bracket, making maintenance simple and performance easy to monitor.
Built to handle biofuel blends up to B100, it features a rugged machined aluminum head and a #R epoxy-coated spin-on filter for long-lasting protection against dirt, sludge, and contaminants.
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Key Features
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Complete kit β includes filter, indicator gauge, and mounting bracket
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BIOGasket compatible with fuel blends up to B100
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Machined aluminum head for durability and corrosion resistance
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Built-in Filter Restriction Indicator (3610) monitors filter performance
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Galvanized bracket for stable mounting
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Replaces the standard 1600 model for added convenience
βοΈ Specifications β 1603 Complete Filter Assembly
| Parameter | Description |
| Model |
1603 (11BV-RK / 11BVRK) |
| Maximum Firing Rate |
10 GPH |
| Micron Rating |
10 Micron |
| Filtering Area |
500 sq. in. |
| Working Pressure |
15 PSI |
| Flow Rate |
45 GPH |
| Inlet/Outlet Size |
3/8" NPT |
| Bracket Up Position |
Height: 9-1/4" |
| Bracket Down Position |
Height: 9", Width: 3-3/4" |
| Includes |
3610 Filter Restriction Indicator Gauge |
| Fuel Compatibility |
#2 Fuel Oil, Biofuel Blends up to B100 |
3610 FILTER RESTRICTION INDICATOR (FRI)
For Gar-Ber Filter Assemblies
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Features
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30" Hg vacuum gauge for Gar-Ber filters only
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Installs directly on top of the filter to indicate clogging
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High readings signal when to replace the filter cartridge
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Copper alloy C-shape Bourdon tube
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Spring-suspended movement for accuracy
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Easy-to-read color-coded dial
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1/8" NPT male connection
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Works with all Gar-Ber filter models
βοΈ Specifications β 3610 Filter Restriction Indicator
| Parameter | Description |
| Model |
3610 |
| Type |
Vacuum Filter Restriction Indicator |
| Vacuum Range |
0β30" Hg |
| Dial Diameter |
1-1/2" |
| Connection Type |
1/8" NPT Male |
| Tube Material |
Copper Alloy Bourdon Tube |
| Mounting Options |
Direct to Adapter Head or Fuel Unit |
| Display Type |
Colored Dial, Easy-to-Read |
| Movement |
Spring Suspended |
| Application |
Indicates when oil filter is clogged or needs replacement |
| Compatibility |
All Gar-Ber Filter Models |
β οΈ Common Symptoms of a Failing 1603 Filter Assembly
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πΈ Burner misfires or lockouts due to restricted oil flow
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πΈ Reduced burner efficiency or uneven flame
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πΈ Visible debris or sludge during filter inspection
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πΈ High vacuum reading on the 3610 gauge (approaching 20β30" Hg)
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πΈ Air bubbles in fuel line or filter head
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πΈ Longer burner start-up times
β οΈ Common Symptoms of a Faulty 3610 Filter Restriction Indicator
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πΈ Gauge needle stuck at high reading even after filter replacement
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πΈ Needle doesnβt move during burner operation
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πΈ Cracked lens or dial housing
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πΈ Inaccurate readings causing premature filter changes
π Shopping Tips
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π‘ Always confirm compatibility with Gar-Ber style spin-on filters (Generalaire 1600 or 1603).
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π‘ Replace the filter element at least once per heating seasonβor when the FRI gauge shows high restriction.
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π‘ The included BIOGasket allows safe use with biofuel blends (B20βB100).
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π‘ If you already have a mounting bracket, consider the 1600 model (without gauge and bracket).
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π‘ Avoid over-tightening the FRI gauge when threading into the filter top.
β FAQ (Frequently Asked Questions)
Q: Can I use the 1603 with standard heating oil?
A: Yes, it works perfectly with #2 heating oil and biofuel blends up to B100.
Q: How do I know when to replace the filter cartridge?
A: When the 3610 gauge shows a high vacuum reading (near 30" Hg), it indicates a clogged filter.
Q: Does this come with a mounting bracket?
A: Yes, the 1603 includes a galvanized mounting bracket and filter restriction indicator.
Q: Is the 3610 gauge reusable?
A: Yes, it can be reused on new filters as long as it remains accurate and undamaged.
Q: Can I mount the filter vertically or horizontally?
A: For best performance and easy gauge visibility, mount the filter vertically