
P1684 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $100.00 | Condition is Open box, Watts aquastat immersion, adj. P1684, shipping cost = $9.35 | 100.0% |

Introducing the Watts P1684 Aquastat Immersion Adjust, an essential component for maintaining optimal temperature in your hot water heating system. This Aquastat is designed to provide precise temperature control, ensuring that your water is neither too hot nor too cold.
The Watts P1684 is a direct-acting, immersion-style temperature control device. Its compact size and simple design make it an ideal solution for various residential and light commercial heating applications. The device features a 1/2 inch NPT threaded connection, allowing for easy installation and integration with most hot water heating systems.
The temperature control range of the Watts P1684 Aquastat is adjustable from 100 F to 180 F (38 C to 82 C), providing flexibility to meet specific temperature requirements. The adjustment is made through a simple set screw located on the top of the unit, allowing for quick and easy temperature adjustments without the need for any special tools.
The Watts P1684 is engineered with a clear, easy-to-read temperature dial, enabling you to monitor the current temperature setting at a glance. The dial is backlit with a red LED light, ensuring that it remains visible even in low-light conditions. Additionally, the unit is equipped with a high-limit safety feature, which automatically shuts off the heating system if the temperature rises above the preset limit, ensuring the safety of your heating system and the occupants of your home or building.
The Watts P1684 Aquastat is constructed of high-quality materials, ensuring durability and long-lasting performance. Its corrosion-resistant brass body and stainless steel temperature probe are built to withstand the rigors of constant use in a hot water heating environment. The unit is also factory sealed, eliminating the need for field adjustments and ensuring that it is ready to install and use right out of the box.
In summary, the Watts P1684 Aquastat Immersion Adjust is a reliable, easy-to-use, and cost-effective solution for maintaining the optimal temperature in your hot water heating system. Its precise temperature control, adjustable temperature range, and durable construction make it an excellent choice for both residential and light commercial applications.
Pros and Cons of Buying a Watts P1684 Aquastat ImmerSION Adj for Heating Systems
The Watts P1684 Aquastat ImmerSION Adj is a temperature control device widely used in residential and commercial heating systems. This device allows users to manually adjust the temperature of their heating system directly in the tank, providing greater control over their heating environment. In this discussion, we will explore the pros and cons of purchasing a Watts P1684 Aquastat ImmerSION Adj.
Pros:1. Manual Temperature Control: The primary advantage of the Watts P1684 Aquastat ImmerSION Adj is the ability to manually adjust the temperature of your heating system directly in the tank. This feature is especially beneficial for those living in areas with varying temperature conditions or for those who prefer a specific temperature setting.
2. Energy Savings: By maintaining an accurate and consistent temperature setting, the Watts P1684 Aquastat ImmerSION Adj can help reduce energy consumption and save money on heating costs.
3. Easy Installation: The device is relatively easy to install, requiring minimal plumbing knowledge and tools. Watts provides clear instructions and installation guides with the product.
4. Durable Construction: The Watts P1684 Aquastat ImmerSION Adj is built with high-quality materials, ensuring long-lasting performance and reliability.
5. Adjustable Range: The device offers an adjustable temperature range, allowing users to fine-tune their heating system to their specific needs and preferences.
Cons:1. Manual Adjustment: While manual temperature control is an advantage, it can also be a disadvantage for those who prefer automatic temperature control or for those who want to avoid frequent adjustments.
2. Potential for Inaccuracy: Manually adjusting the temperature setting can lead to inaccuracies, which may result in energy inefficiency or uncomfortable temperatures.
3. Risk of Damage: Improper installation or handling of the device could result in damage to the heating system or the device itself.
4. Cost: The Watts P1684 Aquastat ImmerSION Adj may be more expensive than other temperature control options, such as thermostats or digital controllers.
5. Limited Compatibility: The device may not be compatible with all heating systems or tank types, so it's essential to check the specifications before purchasing.
Conclusion:The Watts P1684 Aquastat ImmerSION Adj offers several advantages, including manual temperature control, energy savings, easy installation, durable construction, and an adjustable temperature range. However, it also comes with some disadvantages, such as the potential for inaccuracy, risk of damage, cost, and limited compatibility. Ultimately, the decision to purchase a Watts P1684 Aquastat ImmerSION Adj depends on your specific heating system requirements, personal preferences, and budget. If you value manual temperature control and are willing to accept the potential inaccuracies, this device may be an excellent investment for your heating system. If you prefer automatic temperature control or want to avoid manual adjustments, you may want to consider other temperature control options.
Details:
Shipped with USPS ground advantage. watts aquastat immersion, adj.
specifications centrafurn:
- brand: Watts
- mpn: P1684
- model: Watts Aquastat P1684
- type: Central Furnace
shipping centrafurn:
- type: calculated
- class: standard
- carrier: usps
- transit: 4-8 days
- service: usps ground advantage
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
payments centrafurn:
- credit card: visa
- other
- wallet: apple-pay
returns centrafurn:
- policy: no returns
seller centrafurn:
- city: duarte, california
- # reviews: 71
- rating: 100.0%
offer centrafurn:
- in stock #: 1
- options: ship-to-home
- price: $100.00
- item condition: Open box
- availability: in stock
- sold #: 5
- started: june 2, 2026
