
OPEN BOX Flatlaw 127H Train Horn Kit
(Our Open-Box Products may have a few cosmetic defects but otherwise, they're in like-new working condition and still carry a Manufacturer’s Defect Warranty.)
A FLATLAW FOR ANY WEATHER
Our hot new mini train horn, the Flatlaw, is now available in a weather-sealed kit that won't break the bank! Never before have you been able to get the bang-for-buck factor like this and a weather-sealed air system to boot! This kit is ready to blow you away!
-
Best Value, Weather-Ready: Experience an affordable, weather-sealed train horn that ensures quality and longevity.
- Impressive Sound: Benefit from a top-tier loud factor, ensuring you're heard every time.
- Efficient Performance: A reliable 120 PSI air system with a 5-second honk time and a swift 35-second recovery.
- Complete Package: The all-inclusive train horn kit offers everything you need to elevate your vehicle's sound.
- Versatile Installation: Designed with a compact footprint, ideal for spaces with limited installation room.
- Versatile Air System: The 120 PSI air system is multifunctional, capable of airing up tires and powering small air tools, offering additional practicality beyond its primary purpose.
**Detaching the compressor from the tank will void your warranty on this kit. If you need a solution where the compressor is detached, please look at our 232 and higher models. **
- FLATlaw Black train horn
- HornBlasters 127H air source unit
- Pre-installed 1/4" electric air valve
- 20ft of 1/4" air line
-
22ft of 10-gauge red wire
- 22ft of 18-gauge blue wire
- 22ft of 18-gauge grey wire
-
Complete wiring kit with fuse holder & fuses
- Mounting hardware
- Earplugs
- Air line cutter
- Detailed instructions
| Part Number | HK-F3B-127H |
| Operating Pressure | 120 PSI |
| Restart Pressure | 90 PSI |
| Voltage | 12-Volt DC |
| Horn | HornBlasters Flatlaw Train Horn |
| Horn Length | 17.5" (444.5 mm) |
| Horn Width | 16.25" (412.75 mm) |
| Horn Height | 8" (203.2 mm) |
| Horn Weight | 12.5lbs (5.67 kg) |
| Air Source Length | 15.2″ (386.08 mm) |
| Air Source Width | 5.9″ (149.86 mm) |
| Air Source Height | 12.8″ (325.12 mm) |
| Air Source Weight | 13.75 lb (6.24 Kg) |
| Air Tank | 1.5-gallon 4 port air tank |
| Volume | 1.5 gal (6.6 L) |
| Air Compressor | 2L air compressor |
| Max Amperage | 18 amps |
| Maximum Duty Cycle | 25% @ 100 PSI |
| 1.5 GALLON TANK | FILL RATE |
|---|---|
| 0 to 120 PSI | 2 min. 10 sec. (±10 Sec.) |
| 90 to 120 PSI | 35 sec. (± 5 Sec.) |
-
Money-Back Guarantee/Refund Policy
All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly. -
Warranty
This product is backed by our 1-year manufacturer's defect warranty! -
HornBlasters.com Satisfaction Guarantee
HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing. -
Cross-Shipments
HornBlasters.com will not cross-ship returned merchandise. -
Physical Damage Policy
Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.
Original: $269.99
-65%$269.99
$94.50More Images




OPEN BOX Flatlaw 127H Train Horn Kit
(Our Open-Box Products may have a few cosmetic defects but otherwise, they're in like-new working condition and still carry a Manufacturer’s Defect Warranty.)
A FLATLAW FOR ANY WEATHER
Our hot new mini train horn, the Flatlaw, is now available in a weather-sealed kit that won't break the bank! Never before have you been able to get the bang-for-buck factor like this and a weather-sealed air system to boot! This kit is ready to blow you away!
-
Best Value, Weather-Ready: Experience an affordable, weather-sealed train horn that ensures quality and longevity.
- Impressive Sound: Benefit from a top-tier loud factor, ensuring you're heard every time.
- Efficient Performance: A reliable 120 PSI air system with a 5-second honk time and a swift 35-second recovery.
- Complete Package: The all-inclusive train horn kit offers everything you need to elevate your vehicle's sound.
- Versatile Installation: Designed with a compact footprint, ideal for spaces with limited installation room.
- Versatile Air System: The 120 PSI air system is multifunctional, capable of airing up tires and powering small air tools, offering additional practicality beyond its primary purpose.
**Detaching the compressor from the tank will void your warranty on this kit. If you need a solution where the compressor is detached, please look at our 232 and higher models. **
- FLATlaw Black train horn
- HornBlasters 127H air source unit
- Pre-installed 1/4" electric air valve
- 20ft of 1/4" air line
-
22ft of 10-gauge red wire
- 22ft of 18-gauge blue wire
- 22ft of 18-gauge grey wire
-
Complete wiring kit with fuse holder & fuses
- Mounting hardware
- Earplugs
- Air line cutter
- Detailed instructions
| Part Number | HK-F3B-127H |
| Operating Pressure | 120 PSI |
| Restart Pressure | 90 PSI |
| Voltage | 12-Volt DC |
| Horn | HornBlasters Flatlaw Train Horn |
| Horn Length | 17.5" (444.5 mm) |
| Horn Width | 16.25" (412.75 mm) |
| Horn Height | 8" (203.2 mm) |
| Horn Weight | 12.5lbs (5.67 kg) |
| Air Source Length | 15.2″ (386.08 mm) |
| Air Source Width | 5.9″ (149.86 mm) |
| Air Source Height | 12.8″ (325.12 mm) |
| Air Source Weight | 13.75 lb (6.24 Kg) |
| Air Tank | 1.5-gallon 4 port air tank |
| Volume | 1.5 gal (6.6 L) |
| Air Compressor | 2L air compressor |
| Max Amperage | 18 amps |
| Maximum Duty Cycle | 25% @ 100 PSI |
| 1.5 GALLON TANK | FILL RATE |
|---|---|
| 0 to 120 PSI | 2 min. 10 sec. (±10 Sec.) |
| 90 to 120 PSI | 35 sec. (± 5 Sec.) |
-
Money-Back Guarantee/Refund Policy
All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly. -
Warranty
This product is backed by our 1-year manufacturer's defect warranty! -
HornBlasters.com Satisfaction Guarantee
HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing. -
Cross-Shipments
HornBlasters.com will not cross-ship returned merchandise. -
Physical Damage Policy
Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
(Our Open-Box Products may have a few cosmetic defects but otherwise, they're in like-new working condition and still carry a Manufacturer’s Defect Warranty.)
A FLATLAW FOR ANY WEATHER
Our hot new mini train horn, the Flatlaw, is now available in a weather-sealed kit that won't break the bank! Never before have you been able to get the bang-for-buck factor like this and a weather-sealed air system to boot! This kit is ready to blow you away!
-
Best Value, Weather-Ready: Experience an affordable, weather-sealed train horn that ensures quality and longevity.
- Impressive Sound: Benefit from a top-tier loud factor, ensuring you're heard every time.
- Efficient Performance: A reliable 120 PSI air system with a 5-second honk time and a swift 35-second recovery.
- Complete Package: The all-inclusive train horn kit offers everything you need to elevate your vehicle's sound.
- Versatile Installation: Designed with a compact footprint, ideal for spaces with limited installation room.
- Versatile Air System: The 120 PSI air system is multifunctional, capable of airing up tires and powering small air tools, offering additional practicality beyond its primary purpose.
**Detaching the compressor from the tank will void your warranty on this kit. If you need a solution where the compressor is detached, please look at our 232 and higher models. **
- FLATlaw Black train horn
- HornBlasters 127H air source unit
- Pre-installed 1/4" electric air valve
- 20ft of 1/4" air line
-
22ft of 10-gauge red wire
- 22ft of 18-gauge blue wire
- 22ft of 18-gauge grey wire
-
Complete wiring kit with fuse holder & fuses
- Mounting hardware
- Earplugs
- Air line cutter
- Detailed instructions
| Part Number | HK-F3B-127H |
| Operating Pressure | 120 PSI |
| Restart Pressure | 90 PSI |
| Voltage | 12-Volt DC |
| Horn | HornBlasters Flatlaw Train Horn |
| Horn Length | 17.5" (444.5 mm) |
| Horn Width | 16.25" (412.75 mm) |
| Horn Height | 8" (203.2 mm) |
| Horn Weight | 12.5lbs (5.67 kg) |
| Air Source Length | 15.2″ (386.08 mm) |
| Air Source Width | 5.9″ (149.86 mm) |
| Air Source Height | 12.8″ (325.12 mm) |
| Air Source Weight | 13.75 lb (6.24 Kg) |
| Air Tank | 1.5-gallon 4 port air tank |
| Volume | 1.5 gal (6.6 L) |
| Air Compressor | 2L air compressor |
| Max Amperage | 18 amps |
| Maximum Duty Cycle | 25% @ 100 PSI |
| 1.5 GALLON TANK | FILL RATE |
|---|---|
| 0 to 120 PSI | 2 min. 10 sec. (±10 Sec.) |
| 90 to 120 PSI | 35 sec. (± 5 Sec.) |
-
Money-Back Guarantee/Refund Policy
All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly. -
Warranty
This product is backed by our 1-year manufacturer's defect warranty! -
HornBlasters.com Satisfaction Guarantee
HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing. -
Cross-Shipments
HornBlasters.com will not cross-ship returned merchandise. -
Physical Damage Policy
Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.






















