
001635 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $199.99 | Top Pick! Condition is New, 001635 RAYPAK B-3 2STAGE MECHANICAL TANKSTAT 100-200F, FREE SHIPPING | 99.4% |
![]() | $271.99 | Condition is New, 001635 RAYPAK B-3 2STAGE MECHANICAL TANKSTAT 100-200F, shipping cost = $16.40 | 99.7% |
![]() | $297.99 | Top Pick! Condition is New, 001635 RAYPAK B-3 2STAGE MECHANICAL TANKSTAT 100-200F, shipping cost = $15.00 | 97.7% |
![]() | $379.50 | Condition is New, 001635 RAYPAK B-3 2STAGE MECHANICAL TANKSTAT 100-200F, shipping cost = $13.70 | 100.0% |
![]() | $404.99 | Condition is New, RAYPAK 001635 B3 TANK AQUASTAT KIT - L6008G1025, shipping cost = $8.95 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $330.00 | Top Pick! Condition is New – Open box, 001635 RAYPAK B-3 2STAGE MECHANICAL TANKSTAT 100-200F, shipping cost = $9.95 | 99.7% |

The Raypak 001635 B-3 2-Stage Mechanical Tank Stat is a high-performance temperature controlling solution designed for residential and light commercial hot water applications. This tank stat is suitable for water temperatures ranging from 100 to 200 degrees Fahrenheit, making it an ideal choice for homes with demanding hot water needs.
This 2-stage mechanical tank stat offers superior temperature control and energy efficiency. The two-stage design ensures that water is heated only when necessary, reducing energy consumption and lowering utility bills. The stat features a large, easy-to-read dial that allows for precise temperature adjustments, enabling users to maintain their desired water temperature with ease.
The Raypak 001635 B-3 is constructed from heavy-duty materials, ensuring durability and long-lasting performance. Its brass body and stainless steel components are resistant to corrosion and rust, making it an excellent investment for homeowners seeking a reliable and long-lasting temperature controlling solution.
This tank stat is compatible with most hot water heating systems, including indirect-fired and hydronic systems. Its universal mounting design and adjustable temperature range make it a versatile addition to any hot water heating application.
The Raypak 001635 B-3 2-Stage Mechanical Tank Stat is easy to install and comes with all necessary hardware, including mounting brackets and screws. The installation process is straightforward and can typically be completed in a matter of minutes, allowing homeowners to start enjoying consistent, energy-efficient hot water immediately.
In summary, the Raypak 001635 B-3 2-Stage Mechanical Tank Stat is a high-performance, energy-efficient, and reliable temperature controlling solution for residential and light commercial hot water applications. Its durable construction, easy installation, and adjustable temperature range make it a great investment for homeowners seeking consistent, efficient, and cost-effective hot water heating.
The Raypak 001635 B-3 is a 2-stage mechanical tankless water heater thermostat designed for water temperature range between 100-200 degrees Fahrenheit. Here are some pros and cons that might help you make an informed decision about purchasing this product:
Pros:1. Two-stage design: This thermostat has a two-stage mechanism that allows for better temperature control and energy efficiency.
2. Wide temperature range: With a temperature range of 100-200 degrees Fahrenheit, this thermostat can be used for various applications, including commercial and industrial settings.
3. Mechanical design: A mechanical design can be more reliable than electronic alternatives, as there are fewer components to fail.
4. Easy installation: This thermostat is designed for easy installation, and can be used with both gas and electric water heaters.
5. Durable construction: The thermostat is built with heavy-duty materials, including brass and stainless steel, for long-lasting performance.
Cons:1. Limited compatibility: This thermostat is only compatible with Raypak brand water heaters, which may limit its appeal for some customers.
2. Manual operation: Since it is a mechanical thermostat, it does not offer the convenience of digital temperature display or programmable settings.
3. Potential for leaks: Mechanical thermostats have the potential for leaks, especially if not installed properly, which could lead to water damage and costly repairs.
Ending Conclusion:The Raypak 001635 B-3 2-stage mechanical tankless water heater thermostat is a reliable and durable option for temperature control in water heating applications. Its wide temperature range and easy installation make it a popular choice for commercial and industrial settings. However, its limited compatibility with only Raypak brand water heaters and the lack of digital display or programmable settings may be a drawback for some customers. Ultimately, the decision to purchase this thermostat depends on the specific needs and preferences of the user.
Recommendation:If you are in the market for a mechanical thermostat for a Raypak water heater and require temperature control between 100-200 degrees Fahrenheit, the Raypak 001635 B-3 is a solid choice. Its durable construction and ease of installation make it a worthwhile investment for those who value reliability and simplicity. However, if you require more advanced features such as digital temperature display or programmable settings, you may want to consider an electronic thermostat instead.
Details:
With a brand name of Raypak and specific model number 001635, this tankstat offers reliable performance precision in controlling the temperature range 100-200 degrees Fahrenheit. Overall, this tankstat is a valuable component for maintaining optimal conditions in hvac and refrigeration systems.
specifications maxohvac:
- brand: Raypak
- mpn: 001635
- california prop 65 warning: Warning Cancer And Reproductive Harm Www.p65warnings.ca.gov
shipping maxohvac:
- type: fixed
- transit: 5-11 days
- class: standard
- carrier: usps
- service: usps ground advantage
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 14 days
seller maxohvac:
- city: fort lauderdale, florida
- # reviews: 166
- rating: 93.3%
offer maxohvac:
- options: ship-to-home
- best offers: true
- prices: $199.99–$404.99
- item condition:
- New
- New – Open box
- in stock #: 5
- availability: in stock
- started: february 22, 2026
- sold #: 8
payments maxohvac:
- credit card: visa
- wallet: google-pay
- other





