
6PNU4A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.98 | Condition is New – Open box, Dayton 6PNU4 Float Switch. 115 VAC, FREE SHIPPING | 100.0% |
![]() | $34.99 | Condition is New – Open box, Dayton 6PNU4A Wide Angle Normally Open Float Switch - NIB - Tests OK as Shown, shipping cost = $13.70 | 100.0% |
![]() | $49.00 | Condition is New – Open box, Dayton 6PNU4A Float Switch 1/2hp 115v-ac, shipping cost = $8.13 | 100.0% |
![]() | $67.00 | Condition is New – Open box, Dayton Float Switch 6PNU4A (O3B), FREE SHIPPING | 99.5% |
![]() | $70.00 | Condition is New – Open box, Dayton Float Switch Wide Angle 6PNU4A, FREE SHIPPING | 100.0% |
![]() | $71.00 | Condition is New – Open box, DAYTON 6PNU4A 115VAC 13A NSMP, FREE SHIPPING | 99.9% |
![]() | $71.00 | Condition is New – Open box, DAYTON 6PNU4A 115V 13A 85' 10' NSMP, FREE SHIPPING | 99.9% |
![]() | $85.00 | Condition is New – Open box, Dayton 6PNU4A Float Switch NEW OPEN BOX STOCK GF71A, FREE SHIPPING | ![]() |
![]() | $74.00 | Top Pick! Condition is New – Open box, Dayton Float Switch Wide Angle 6PNU4A, shipping cost = $12.00 | 100.0% |
![]() | $83.00 | Top Pick! Condition is New – Open box, Dayton Float Switch Wide Angle 6PNU4A, shipping cost = $14.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $37.42 | Condition is New, Dayton 6PNU4A Float Switch Wide Angle Normally Open-Factory Sealed Packaging, shipping cost = $14.00 | 99.9% |
![]() | $53.95 | Condition is New, Dayton 6PNU4A Float Switch 1/2hp 115v-ac, FREE SHIPPING | ![]() |
![]() | $49.95 | Condition is New, Dayton 6PNU4A Wide Angle Normally Open Float Switch, shipping cost = $15.10 | 99.7% |
![]() | $70.00 | Condition is New, Dayton 6PNU4A Float Switch 1 hp 115v-ac, shipping cost = $8.13 | 100.0% |
![]() | $69.99 | Top Pick! Condition is New, Dayton Float Switch Wide Angle Normally Open 6PNU4A, shipping cost = $12.99 | 99.9% |
![]() | $86.00 | Condition is New, DAYTON 6PNU4A NSFS, FREE SHIPPING | 99.9% |
![]() | $86.00 | Condition is New, DAYTON 6PNU4A NSFS, FREE SHIPPING | 99.9% |
![]() | $108.00 | Condition is New, Dayton 6PNU4A Pump Float Switch 115VAC 1/2HP 16 AWG 10 Ft Cable Wide Angle, shipping cost = $10.00 | 99.3% |

The Dayton 6PNU4A 6PNU4 Float Switch is a reliable and versatile electrical component designed for automatic water level control in various applications, such as sump pumps, water heaters, and cooling towers. This float switch operates on a 115V AC power source and is equipped with a 6-amp, 4-pole, 3-position switch.
The switch body is constructed from die-cast aluminum, providing durability and resistance to corrosion in wet environments. It has a white, powder-coated finish that not only looks attractive but also protects the switch from harsh conditions. The switch comes with a 6-inch vertical float, which is made from polystyrene material, ensuring buoyancy and stability.
The Dayton 6PNU4A Float Switch features a unique, open-top design that allows for easy installation and maintenance. The float arm is attached to a stainless steel shaft, which provides smooth operation and long-lasting performance. The switch has three positions: normal, alarm, and off. In the normal position, the switch is closed when the float is in its lowest position, and it opens when the float rises to the desired level. In the alarm position, the switch is closed when the float is in its lowest position, and it opens when the float rises to a higher level, triggering an alarm or alerting the user of a potential issue. In the off position, the switch is open at all times, disconnecting the power source from the controlled device.
This float switch is suitable for applications where water level monitoring is crucial for the proper functioning and safety of equipment. Its robust design, easy installation, and long-lasting performance make it an excellent choice for various industrial, commercial, and residential applications. Whether you're looking for a float switch for a sump pump in your basement or for a cooling tower in a power plant, the Dayton 6PNU4A 6PNU4 Float Switch is an ideal solution for your needs.
Dayton 6PNU4A/6PNU4 Float Switch: A Comprehensive Analysis
The Dayton 6PNU4A and 6PNU4 are magnetic float switches designed for use with non-conductive liquids such as water, coolants, or condensates. These switches are available in 115V AC voltage rating. In this analysis, we will discuss the key features, pros, cons, and a concluding recommendation.
Key Features:1. Magnetic float design for non-conductive liquids
2. 115V AC voltage rating
3. Three mounting positions: vertical, horizontal, or side-mounted
4. NEMA 5-15P plug
5. Operating temperature range: 32 F to 122 F (0 C to 50 C)
Pros:1. Versatile mounting options The switches can be installed in various orientations, making them suitable for a wide range of applications.
2. Magnetic float design This feature ensures reliable operation and reduces the risk of electrical contact with conductive liquids.
3. Plug-and-play design The 115V AC voltage rating and NEMA 5-15P plug make for easy installation and use.
4. Operating temperature range The wide temperature range makes these switches suitable for a broad range of environments.
Cons:1. Not for conductive liquids The magnetic float switches are designed specifically for non-conductive liquids, meaning they cannot be used with conductive fluids.
2. Limited load capacity These switches are designed for low-current applications, typically up to 1 Ampere.
3. Potential false tripping The switches can sometimes be triggered by vibrations or other disturbances, leading to false tripping.
Conclusion:The Dayton 6PNU4A and 6PNU4 float switches are reliable and versatile solutions for non-conductive liquid level sensing applications. Their magnetic float design ensures safe operation, while their plug-and-play design simplifies installation. However, they may not be suitable for high-load or conductive liquid applications, and their sensitivity to vibrations could lead to false tripping. Ultimately, these switches are an excellent choice for those requiring a non-contact, easy-to-install solution for monitoring non-conductive liquids.
Recommendation:If you are looking for a dependable and versatile float switch for non-conductive liquids, the Dayton 6PNU4A and 6PNU4 are worth considering. They offer easy installation, reliable operation, and a wide range of mounting options. However, it's essential to ensure that your application meets the switch's requirements, such as the non-conductive liquid nature and the limited load capacity.
Details:
Dayton 6pnu4 float switch.
specifications indusswitch:
- brand: Dayton
- mpn: 6pnu4a
- part type: Float Switch
- fuse type: Switch
shipping indusswitch:
- class: standard
- service: usps ground advantage
- transit: 4-8 days
- type: calculated
- carrier: usps
returns indusswitch:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: seller
offer indusswitch:
- sold #: 7
- started: march 22, 2026
- prices: $34.99–$108.00
- item condition:
- New – Open box
- New
- availability: in stock
- best offers: true
- options: ship-to-home
- in stock #: 5
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
seller indusswitch:
- rating: 100.0%
- # reviews: 3352
- city: waterloo, wisconsin
payments indusswitch:
- other
- wallet: apple-pay
- credit card: mastercard
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