
6940621 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $549.99 | Condition is New, Tyco 6940621 3" RM-2 Base Riser Manifold W/ Flow Switch & TD-2 Test &Drain Valve, FREE SHIPPING | 100.0% |
![]() | $799.99 | Condition is New, Tyco 2.8K & 4.2K Test Drain Valve Test Orifice For Model RM-2 Riser Manifold, FREE SHIPPING | ![]() |
![]() | $995.99 | Condition is New, Tyco Model RM-2 5940601 Riser Manifold w/ Butterfly & Check Valve (NEW), shipping cost = $89.99 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $481.28 | Top Pick! Condition is New – Open box, Tyco 6940621 3" RM-2 Base Riser Manifold W/ Flow Switch & TD-2 Test &Drain Valve, FREE SHIPPING | 99.7% |
![]() | $707.17 | Top Pick! Condition is New – Open box, Tyco 6940611 RM-2 Base Riser Manifold W/ Flow Switch & TD-2 Drain Valve 2 1/2 , shipping cost = $36.34 | 99.5% |
![]() | $1274.99 | Condition is New – Open box, Tyco Model RM-2 5940601 Riser Manifold w/ Butterfly & Check Valve, shipping cost = $33.09 | 99.7% |

The Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve is a versatile and essential component for various fire protection systems. This product is designed to provide reliable flow switch and drain valve functions, ensuring optimal system performance.
The RM-2 Base Riser Manifold Flow Switch is a vital component of the fire protection system. It is responsible for detecting the flow rate of water or other fluids in the system. The switch activates when the minimum flow rate is reached, providing an essential safety feature by signaling the system controller of an active fire situation. The flow switch is designed with a rugged construction, ensuring durability and long-lasting performance even in harsh environments.
The TD-2 Drain Valve is another essential feature of this Tyco product. It is a manually operated, full port ball valve designed to drain the fire protection system when necessary. The valve is equipped with an actuator mounting bracket to accommodate automatic operation if desired. The valve's full port design ensures minimal flow restriction, making it ideal for draining larger systems quickly and efficiently.
The RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve is designed to be easily integrated into various fire protection systems. The base riser manifold is a compact, vertical assembly that combines the flow switch and drain valve functions into one convenient location. The manifold is constructed from Schedule 40 pipe, ensuring strength and durability. The product is also equipped with NPT thread connections, allowing for easy installation and maintenance.
In summary, the Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve is a crucial component for reliable fire protection systems. Its flow switch and drain valve functions ensure optimal system performance, while its rugged construction and easy installation make it a popular choice for various applications.
Pros and Cons of buying a Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve
The Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve is a critical component in various industrial and commercial applications, including fire protection, HVAC, and process control systems. Here are some pros and cons to help you make an informed decision before purchasing.
Pros:1. Reliability: The Tyco 6940621 is a proven and reliable product, manufactured by a reputable company with extensive experience in the industry.
2. Versatility: This valve manifold is designed to accommodate a wide range of applications, making it a versatile option for various industries and systems.
3. Durability: The valve is built to withstand harsh environments and demanding applications, ensuring a long service life.
4. Easy Installation: The manifold design allows for easy installation and integration with existing systems.
5. Compliance: The product is certified and compliant with various industry standards, ensuring regulatory compliance and safety.
Cons:1. Cost: The Tyco 6940621 may be more expensive compared to other similar products in the market, which could be a significant consideration for some buyers.
2. Complexity: The manifold design and its associated components may require a higher level of expertise to install, operate, and maintain compared to simpler alternatives.
3. Limited Capacity: Depending on the specific application, the Tyco 6940621 may not be suitable for handling large volumes or high flow rates.
4. Availability: Due to its popularity and wide usage, availability of this product may be limited during peak demand periods or from certain distributors.
Conclusion:The Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve offers numerous advantages, including reliability, versatility, durability, and compliance. However, its higher cost, complexity, limited capacity, and potential availability issues may be drawbacks for some buyers. Ultimately, the decision to purchase the Tyco 6940621 depends on your specific application requirements, budget, and expertise.
Recommendation:If you require a high-quality, reliable, and versatile flow switch and drain valve for your industrial or commercial application, the Tyco 6940621 RM-2 Base Riser Manifold Flow Switch TD-2 Drain Valve is an excellent choice. However, if cost is a significant concern or your application does not require the manifold's advanced features, you may want to explore alternative options. Always ensure that you consult with a qualified professional or the product manufacturer for proper installation, operation, and maintenance instructions.
Details:
Tyco 6940621 3 RM-2 base riser manifold w/ flow switch td-2 test drain valve.
specifications maxohvac:
- brand: Tyco
- mpn: 6940621
- model: Rm-2
- type: Riser Manifold With Flow Switch Td-2 Test Drain Valve
- unit type: Unit
- height: 13-13/20 In
- valve size: 3 In
- application: Commercial, Fire Sprinkler Systems
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: north salt lake, utah
- rating: 99.3%
- # reviews: 35356
offer maxohvac:
- options: ship-to-home
- sold #: 16
- prices: $481.28–$1274.99
- item condition:
- New
- New – Open box
- started: july 24, 2025
- in stock #: 5
- availability: in stock
returns maxohvac:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 30 days
payments maxohvac:
- other
- credit card: mastercard
- wallet: apple-pay
shipping maxohvac:
- service: ups ground
- class: standard
- transit: 4-7 days
- carrier: ups
- type: fixed






