JENNINGS 278-138 Radio Vacuum Relay

( Brand: Jennings ), ( Manufacturer Part Number: 278-138 ), ( Compatible Brand: Universal ), ( Type: Vacuum Relay )

Review JENNINGS Radio Vacuum Relay

The Jennings 278-138 Radio Vacuum Relay is a remarkable component designed for radio-controlled vacuum cleaners. This relay plays a crucial role in the communication between the vacuum's control unit and the motor, ensuring seamless and efficient operation.

Crafted with precision, the Jennings 278-138 Radio Vacuum Relay features a robust construction that can withstand the rigors of frequent use. Its vacuum-sealed design, which is a hallmark of Jennings' engineering, helps to prevent dust and debris from entering the relay, thereby maintaining its functionality and longevity.

The relay boasts a sensitive and responsive contact mechanism, capable of handling the high current demands of a vacuum cleaner motor. This ensures reliable performance, as the relay quickly and accurately switches the motor on and off in response to the control unit's signals.

The Jennings 278-138 Radio Vacuum Relay is easy to install, thanks to its clear labeling and straightforward design. It is compatible with most radio-controlled vacuum cleaners, making it a versatile and practical addition to your appliance.

In summary, the Jennings 278-138 Radio Vacuum Relay is a high-quality, reliable, and durable component that is essential for the proper functioning of your radio-controlled vacuum cleaner. Its robust construction, responsive contact mechanism, and easy installation make it an excellent choice for maintaining the performance and longevity of your appliance.

The Jennings 278-138 Radio Vacuum Relay is a specific part used in vintage radios and vacuum cleaners. Here are some pros and cons to consider when deciding whether to purchase this item:

1. Authenticity: As it is a genuine Jennings part, it will fit perfectly in your vintage device, ensuring proper functioning.

2. Quality: Jennings is known for its durable and reliable products, making this part a good investment for long-term use.

3. Availability: This part is still available for purchase, allowing you to maintain and restore your vintage appliances.

1. Limited application: This part is specific to the Jennings 278-138 model, limiting its use to certain devices.

2. Potential high cost: Due to its rarity, this part may be more expensive than generic alternatives.

3. Availability of replacements: Depending on the model and age of your appliance, finding another functional Jennings 278-138 part in the future may be challenging.

The Jennings 278-138 Radio Vacuum Relay is a suitable choice for those looking to maintain or restore their vintage Jennings appliances. However, its specific application and potential high cost should be carefully considered before making a purchase. If you have multiple devices requiring this part or are unsure about the longevity of the appliance, it may be worth exploring alternative solutions or generic replacements to save on cost. Ultimately, the decision depends on your specific needs and the value you place on maintaining an authentic Jennings appliance.

Details:

3695 B3 Its marked 278-138 which I think is the part number. I'm afraid I don't know much about these things and so am unable to fully test it. Fresh from an estate comes this Jennings Radio vacuum relay. Please make an offer.

The relay is rated 48 VDC and the contacts are 12,000 volts . I did confirm that there is continuity between the common terminal and NC normally closed.

part #: 278138 prices

• $35.00-$199.00

specifications hamamateuradio:

• brand: Jennings
• mpn: 278-138
• compatible brand: Universal
• type: Vacuum Relay

returns hamamateuradio:

• method: Money back
• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping hamamateuradio:

• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 2-6 Days
• type: Calculated
• cost: $8.80
• class: Standard, Expedited

seller hamamateuradio:

• # reviews: 2485
• city: Framingham, Massachusetts
• rating: 99.5%

offer hamamateuradio:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: October 23, 2025

payments hamamateuradio:

• wallet: Paypal
• other
• credit card: Diners-club

general hamamateuradio:

• condition: For parts or not working
• Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment

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