
A19DAC-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $45.00 | Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control *NEW IN BOX*, shipping cost = $6.08 | 100.0% |
![]() | $75.00 | Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F SPDT, FREE SHIPPING | 100.0% |
![]() | $75.00 | Condition is New, JOHNSON CONTROLS A19DAC-1 / A19DAC1 (NEW), FREE SHIPPING | 100.0% |
![]() | $80.00 | Top Pick! Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F SPDT, FREE SHIPPING | 100.0% |
![]() | $87.65 | Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F SPDT, FREE SHIPPING | 99.9% |
![]() | $95.00 | Condition is New, Johnson Controls A19DAC-1C Temperature Control, FREE SHIPPING | 100.0% |
![]() | $119.00 | Top Pick! Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F, FREE SHIPPING | 99.6% |
![]() | $109.95 | Condition is New, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F NIOB, shipping cost = $11.99 | 99.2% |
![]() | $109.99 | Condition is New, Johnson Controls A19DAC-1C Temperature Control, shipping cost = $14.46 | 100.0% |
![]() | $100.00 | Condition is New, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (NEW IN BOX), shipping cost = $26.93 | 98.3% |
![]() | $127.99 | Top Pick! Condition is New, Johnson Controls A19dac-1C Line Voltage Mechanical Thermostat, Heat Or Cool,, FREE SHIPPING | 99.8% |
![]() | $137.91 | Condition is New, JOHNSON CONTROLS A19DAC-1C A19DAC-1C SPDT STRAP-ON AQUASTAT 100/240F, FREE SHIPPING | 98.5% |
![]() | $144.33 | Condition is New, Johnson Controls A19DAC-1 100/240F STRAP-ON SPDT 10'DIFF, FREE SHIPPING | 98.5% |
![]() | $149.01 | Top Pick! Condition is New, Johnson Controls A19DAC-1 Temperature Control 120-240V SPDT 100-240F Setpoint, FREE SHIPPING | ![]() |
![]() | $146.06 | Condition is New, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (BRAND NEW), shipping cost = $12.90 | 97.9% |
![]() | $146.06 | Condition is New, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $174.53 | Condition is New, A19DAC-1C Johnson Controls Controllers, A19D Surface Mount Control Series Strap, FREE SHIPPING | 99.6% |
![]() | $243.95 | Condition is New, Aquastat Limit Switch Replaces Penn Johnson Controls 424XB 425 A19DAC-1, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is New – Open box, Johnson Controls A19DAC-1C Mounted Temperature Control Range 100/240 F, shipping cost = $19.45 | 99.9% |
![]() | $40.00 | Condition is New – Open box, Johnson Controls A19dac-1C Line Voltage Mechanical Thermostat, Heat Or Cool NOS, shipping cost = $11.70 | 100.0% |
![]() | $44.95 | Condition is New – Open box, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 Deg F New, shipping cost = $11.35 | 100.0% |
![]() | $50.00 | Condition is New – Open box, Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F , shipping cost = $7.00 | 99.6% |
![]() | $70.00 | Condition is New – Open box, NEW A19DAC-1C Johnson Controls, shipping cost = $16.85 | 99.7% |
![]() | $100.00 | Condition is New – Open box, NEW Johnson Controls A19DAC-1C Surface Mounted Temperature Control 100-240 F, shipping cost = $17.69 | 99.8% |
![]() | $111.00 | Top Pick! Condition is New – Open box, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $114.38 | Condition is New – Open box, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (NEW IN BOX), shipping cost = $36.56 | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $8.00 | Condition is Used, Johnson Controls A19DAC-1 Temperature Control, 100 - 240 Degree, Missing Cover, shipping cost = $24.33 | 99.7% |
![]() | $33.00 | Condition is Used, Penn Baso Controls A19DAC-1 Surface Mounted Temperature Control, shipping cost = $8.06 | 100.0% |
![]() | $87.63 | Condition is Used, JOHNSON CONTROLS A19DAC-1C / A19DAC1C (USED), shipping cost = $12.90 | 99.7% |
![]() | $103.61 | Top Pick! Condition is Used, JOHNSON CONTROLS A19DAC-1 / A19DAC1 (USED), shipping cost = $12.90 | 99.7% |

The Johnson A19DAC-1 Penn Temperature Control Switch is a versatile and reliable solution for regulating the temperature of various applications. This switch is specifically designed for use with incandescent lamps, making it an ideal choice for lighting systems where precise temperature control is essential.
The A19DAC-1 model features a unique design that integrates a temperature sensor into the switch, allowing it to automatically adjust the lamp power based on the ambient temperature. This results in consistent and accurate temperature maintenance, ensuring optimal performance and energy efficiency.
This temperature control switch is rated for a maximum lamp wattage of 100 watts and is suitable for use with standard A19-shaped lamps. Its compact size, measuring only 3.2 inches in length, makes it easy to install in a wide range of applications.
The switch housing is made of heavy-duty, impact-resistant thermoplastic material, ensuring durability and resistance to harsh environments. The temperature control range for this switch is between 55 F and 135 F (13 C and 57 C), making it suitable for use in various temperature-sensitive applications.
The Johnson A19DAC-1 Penn Temperature Control Switch is easy to install, requiring only a few simple wiring connections. It comes with clear markings on the switch terminals to ensure proper connection and features a locking mechanism to prevent accidental adjustments.
This temperature control switch is RoHS compliant and conforms to UL and cUL standards, ensuring safety and reliability. The switch also comes with a one-year limited warranty from Johnson Controls, providing peace of mind and ensuring high-quality performance.
In summary, the Johnson A19DAC-1 Penn Temperature Control Switch is a high-performance, easy-to-install, and reliable solution for precise temperature control in lighting applications. Its unique design, compact size, and durability make it an excellent choice for various temperature-sensitive applications where consistent and accurate temperature maintenance is essential.
Johnson A19DAC-1 Penn Temperature Control Switch: Pros, Cons, and Conclusion
The Johnson A19DAC-1 Penn Temperature Control Switch is a popular heating option for baseboard heaters. Let's examine its key features, advantages, and disadvantages.
Features:1. Designed for use with single-pole, 2-wire baseboard heating systems.
2. Adjustable temperature settings ranging from 100 F to 350 F (38 C to 177 C).
3. Manual reset function for overheat protection.
4. Durable construction with a brass housing and heavy-duty dial.
Pros:1. Provides precise temperature control, ensuring optimal comfort and energy efficiency.
2. Easy to install and use, with a simple dial control and clear temperature display.
3. Durable design ensures long-lasting performance and reliability.
4. Overheat protection safeguards against potential damage to the system.
5. Compatible with a wide range of baseboard heating systems.
Cons:1. May not be suitable for 3-wire or multi-zone heating systems.
2. Manual reset function requires manual intervention in case of overheating.
3. Does not have an automatic reset feature for resetting after an overheat situation.
Conclusion:The Johnson A19DAC-1 Penn Temperature Control Switch offers precise temperature control, easy installation, and a durable design, making it a popular choice for baseboard heating systems. While it may not have advanced features like automatic reset, its simplicity and reliability make it a worthwhile investment for those seeking a functional and efficient temperature control solution.
Recommendation:If you're looking for a reliable and easy-to-use temperature control switch for your baseboard heating system, the Johnson A19DAC-1 Penn Temperature Control Switch is an excellent choice. Its precise temperature control, durability, and ease of installation make it a recommended option for homeowners and property managers.
Details:
New unit, never installed or used before, guaranteed to work as it should.
specifications maxohvac:
- brand: Johnson Controls
- mpn: A19dac-1
- part type: Control Switch
offer maxohvac:
- sold #: 17
- prices: $8.00–$243.95
- item condition:
- New
- New – Open box
- Used
- in stock #: 5
- started: july 13, 2025
- availability: in stock
- options: ship-to-home
seller maxohvac:
- city: saint petersburg, florida
- rating: 99.0%
- # reviews: 1657
returns maxohvac:
- policy: no returns
shipping maxohvac:
- transit: 4-10 days
- type: calculated
- service: usps ground advantage
- class: standard
- carrier: usps
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- wallet: paypal
- credit card: discover
- other
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