
0061935 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $42.50 | Condition is New – Open box, Watts 1/2" 9D-M3 Backflow Preventer with Atmospheric Vent 175 PSI Brass, shipping cost = $7.26 | 99.7% |
![]() | $39.99 | Condition is New – Open box, Watts 1/2" 9D-M3 0950053 dual check valve with atmospheric vent New No Box , shipping cost = $11.99 | 99.8% |
![]() | $54.99 | Condition is New – Open box, Watts 0061935: 1/2 9D-M3 , 1/2" Dual Check Valve W/Atmospheric Vent, FREE SHIPPING | 99.7% |
![]() | $45.00 | Condition is New – Open box, 1/2" 9D-M3 Watts Backflow Preventer NEW, shipping cost = $10.00 | 100.0% |
![]() | $59.99 | Condition is New – Open box, Watts 1/2" 9D-M3 Backflow Preventer W/ Atmospheric Vent 175PSI, FREE SHIPPING | ![]() |
![]() | $45.00 | Condition is New – Open box, Watts 1/2" 9D-M3 dual check valve with atmospheric vent, shipping cost = $15.10 | 99.6% |
![]() | $37.99 | Top Pick! Condition is New – Open box, Watts 1/2" 9D-M3 0950053 dual check valve with atmospheric vent New No Box , shipping cost = $24.93 | 99.1% |
![]() | $61.20 | Condition is New – Open box, NEW Watts 9D-M3 1/2" Dual Check Backflow with Atmospheric Vent, FREE SHIPPING | 100.0% |
![]() | $40.00 | Condition is New – Open box, Watts 9D-M3 1/2 in Manual Backflow Preventer Atmospheric Vent for Water, shipping cost = $22.23 | 100.0% |
![]() | $59.99 | Condition is New – Open box, New Watts 9D-M3 0214C 1/2" Backflow Preventer + 1 Year Warranty, shipping cost = $10.00 | ![]() |
![]() | $58.00 | Condition is New – Open box, Watts Regulator 9D-M3 Regulator 9DM3, shipping cost = $14.00 | 98.9% |
![]() | $72.79 | Condition is New – Open box, Watts 1/2 9D-M3 BackFlow Preventer Valve With Atmospheric Vent 1/2" Female NPT, FREE SHIPPING | 99.7% |
![]() | $45.00 | Top Pick! Condition is New – Open box, WATTS 1/2" 9D-M3 Backflow Preventer with Intermediate Atmos. Vent 175 psi, shipping cost = $30.00 | 99.3% |
![]() | $69.00 | Condition is New – Open box, New Watts 9D-M3 0214C 1/2" Backflow Preventer,open Box, shipping cost = $10.69 | 99.6% |
![]() | $68.00 | Condition is New – Open box, Watts P/N:1/2" 9D-M3 (0061935) Dual Check Valve W/ Atmospheric Vent Brass FNPT, shipping cost = $12.00 | 100.0% |
![]() | $80.83 | Condition is New – Open box, Watts 1/2 9D-M3 Dual Check Valve Asse 1012 Max 175 PSI, FREE SHIPPING | ![]() |
![]() | $75.00 | Condition is New – Open box, Watts 1/2" 9D-M3 0950053 dual check valve with atmospheric vent SHIPS FREE, shipping cost = $8.75 | 96.2% |
![]() | $83.00 | Condition is New – Open box, WATTS 1/2-9D-M3 0061935 175PSI NSMP, FREE SHIPPING | 99.9% |
![]() | $87.41 | Condition is New – Open box, Watts 1/2 Inch 9D-M3 Dual Check Valve Backflow, FREE SHIPPING | ![]() |
![]() | $89.99 | Condition is New – Open box, Watts 1/2" 9D-M3 Backflow Preventer 4A810 (0062670) NOS, FREE SHIPPING | 99.9% |
![]() | $90.13 | Top Pick! Condition is New – Open box, Watts 1/2 9D-M3 BackFlow Preventer Valve With Atmospheric Vent 1/2 Female NPT, FREE SHIPPING | 100.0% |
![]() | $90.13 | Top Pick! Condition is New – Open box, Watts 1/2 9D-M3 BackFlow Preventer Valve With Atmospheric Vent 1/2 Female NPT, FREE SHIPPING | 100.0% |
![]() | $91.00 | Condition is New – Open box, WATTS 9D-M3 BACKFLOW PREVENTER 1/2'' WITHE INTERMEDIATE VENT, FREE SHIPPING | 99.4% |
![]() | $91.97 | Top Pick! Condition is New – Open box, Watts 1/2 9D-M3 BackFlow Preventer Valve With Atmospheric Vent, FREE SHIPPING | 100.0% |
![]() | $89.00 | Condition is New – Open box, Watts Brass & Tubular #9D-M3 1/2 1/2 Backflow Preventer, shipping cost = $7.75 | 99.4% |
![]() | $106.00 | Condition is New – Open box, Watts 9D-M3 Backflow Preventer W/ Atmos Vent 175psi 1/2in, FREE SHIPPING | ![]() |
![]() | $99.99 | Top Pick! Condition is New – Open box, WATTS BACKFLOW PREVENTER 1/2" 9D-M3 250F 175 PSI 0062670 4A810, shipping cost = $19.96 | ![]() |
![]() | $126.89 | Condition is New – Open box, Watts 9D-M3 1/2" Backflow Preventer w/ Atmospheric Vent 175 PSI Max Brass Body, FREE SHIPPING | ![]() |
![]() | $125.00 | Top Pick! Condition is New – Open box, Watts 1/2 9D-M3-SC 0061970 Dual Backflow w/ Atmospheric vent Satin Chrome finish, shipping cost = $13.59 | 100.0% |
![]() | $125.00 | Condition is New – Open box, WATTS 1/2" 9D-M3 COMBINATION FILL VALVE & BACKFLOW PREVENTER Combo , shipping cost = $24.93 | 100.0% |
![]() | $135.00 | Top Pick! Condition is New – Open box, NEW WATTS 0061935 BACKFLOW PREVENTER 9D-M3 1/2', shipping cost = $17.02 | 100.0% |
![]() | $145.57 | Condition is New – Open box, watts 1/2'' 9D M3 CAN BACK FLOW PREVENTERT, shipping cost = $13.63 | 100.0% |
![]() | $159.00 | Condition is New – Open box, Watts - Back Flow preventer, 1/2" - 56-1149 +Free Shipping, FREE SHIPPING | 99.7% |
![]() | $161.49 | Condition is New – Open box, Watts Regulator 0061935 Backflow Preventer 1/2" B64.3, FREE SHIPPING | ![]() |
![]() | $177.00 | Condition is New – Open box, WATTS 0061935 / 0061935 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $157.21 | Condition is New – Open box, WATTS 0061935 / 0061935 (NEW NO BOX), shipping cost = $36.39 | 99.3% |
![]() | $140.28 | Condition is New – Open box, Watts 0061935 Backflow Prevention 1/2 9D-M3 175psi 104-75-SM Unused OVP, shipping cost = $76.06 | 100.0% |
![]() | $549.50 | Condition is New – Open box, LOT 5 - 0061970 - 9D-M3 - Watts 1/2" Check Valve Atmospheric Vent, Satin Chrome, shipping cost = $20.40 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $55.00 | Condition is New, New Watts 9D M3 1/2" Dual Check Valves with Intermediate Atmospheric Vent New., FREE SHIPPING | 99.7% |
![]() | $56.76 | Condition is New, Watts 1/2" 9D-M3 0950053 Brass Dual Check Valve with Atmospheric Vent Brand New, FREE SHIPPING | 100.0% |
![]() | $49.99 | Top Pick! Condition is New, NEW Watts 9D-M3 1/2" Dual Check Valve with Atmospheric Vent Made in USA, shipping cost = $9.02 | ![]() |
![]() | $58.00 | Condition is New, Watts 9D M3 1/2" Dual Check Valves with Intermediate Atmospheric Vent New., FREE SHIPPING | 100.0% |
![]() | $39.00 | Condition is New, Watts Backflow Preventer with Atmospheric Vent 1/2 9d-m3 0062670, shipping cost = $22.23 | 100.0% |
![]() | $49.25 | Condition is New, Watts Dual Check Atmospheric Vent w/ Valve OEM Part # 0061935 - Brand New in Box, shipping cost = $15.10 | ![]() |
![]() | $71.99 | Condition is New, Watts Brass & Tubular #9D-M3 1/2 1/2" Backflow Preventer, FREE SHIPPING | 99.3% |
![]() | $74.00 | Top Pick! Condition is New, Watts 9D-M3 0950053 1/2" Brass & Tubular Dual Check Valve with Atmospheric Vent, FREE SHIPPING | 99.6% |
![]() | $74.99 | Condition is New, Brand New - Watts 9D M3 1/2" #0950053 Dual Check Backflow with Atmospheric Vent, FREE SHIPPING | 100.0% |
![]() | $80.32 | Condition is New, WATTS 9D-M3 (0950053) 1/2" DUAL CHECK VALVE W/ ATMOSPHERIC VENT NEW IN BOX, FREE SHIPPING | 99.3% |
![]() | $81.60 | Condition is New, Watts 0061935 FNFP, FREE SHIPPING | 99.8% |
![]() | $69.12 | Condition is New, WATTS 1/2 9D-M3 Backflow Preventer With Atmospheric Vent 1/2"-New In Box, shipping cost = $14.00 | 99.9% |
![]() | $70.00 | Condition is New, Watts 1/2" Series Pipe 9D-M3 with Reduced Pressure Backflow Preventer 175 PSI, shipping cost = $15.00 | ![]() |
![]() | $88.00 | Condition is New, (2)- WATTS 1/2" 9D-M3 0950053 dual check valve with atmospheric vent, FREE SHIPPING | 100.0% |
![]() | $75.00 | Condition is New, Watts, 4A810, Backflow Preventer, 1/2" 9D-M3, shipping cost = $16.40 | 99.5% |
![]() | $90.00 | Condition is New, Watts 1/2" 9D-M3 Watts Backflow Preventer Used Takeoff, shipping cost = $8.13 | 0.0% |
![]() | $94.99 | Condition is New, NEW WATTS 0061935 BACKFLOW PREVENTER 9D-M3 1/2'. 0950053, shipping cost = $6.99 | 99.7% |
![]() | $100.00 | Condition is New, Watts 1/2 9D-M3-SC 0061970 Dual Backflow w/ Atmospheric vent Satin Chrome finish, FREE SHIPPING | 99.9% |
![]() | $106.99 | Condition is New, Watts 9D-M3 Dual Check Valve w/ Intermediate Atmospheric Vent 1/2", FREE SHIPPING | ![]() |
![]() | $107.99 | Condition is New, WATTS 1/2" DUEL CHECK VALVE W/ATMOSPHERIC VENT (LF9D-M3) *BRAND NEW IN BOX*, shipping cost = $7.99 | 95.8% |
![]() | $100.00 | Condition is New, Watts Backflow Preventer with Atmospheric Vent 1/2 9d-m3 0061935, shipping cost = $18.17 | 100.0% |
![]() | $120.00 | Top Pick! Condition is New, Watts Brass #9D-M3 1/2 "IPS Backflow Preventer w/vent. Accept no substitute ., FREE SHIPPING | 100.0% |
![]() | $100.00 | Condition is New, Watts 1/2 9D-M3 Water Pressure Reducing Valve Brass 1/2 in Inlet, shipping cost = $26.25 | 100.0% |
![]() | $120.00 | Condition is New, 2x Watts 9D-M3 0950053 1/2" Brass Dual Check Valve with Atmospheric Vent , shipping cost = $9.02 | 100.0% |
![]() | $138.78 | Condition is New, Watts 0061935 Series 9D M3 Dual Check Valve Backflow Preventer with Intermediate, FREE SHIPPING | ![]() |
![]() | $141.74 | Condition is New, Watts Brass & Tubular #9D-M3/2/2 Backflow Preventer, FREE SHIPPING | 100.0% |
![]() | $141.74 | Condition is New, Watts Brass & Tubular #9D-M3 1/2 1/2 Backflow Preventer, FREE SHIPPING | 99.9% |
![]() | $145.63 | Condition is New, Watts Brass & Tubular #9D-M3 1/2 1/2 Backflow Preventer, FREE SHIPPING | 100.0% |
![]() | $167.58 | Condition is New, Watts 9D-M3-1/2" Dual Check Valve, Bronze, Fnpt Union, 1/2 In, FREE SHIPPING | 99.8% |
![]() | $167.58 | Condition is New, Watts 0061935 9DM3-1/2"nptBackflow Preventer, FREE SHIPPING | 98.6% |
![]() | $200.00 | Condition is New, Watts 1/2 9D-M3 Dual Check BackFlow Preventer Valve With Atmospheric Vent, FREE SHIPPING | 100.0% |
![]() | $189.00 | Condition is New, New 9D-m3 Box 0386461 Watts Boiler Feed Valve Backflow Preventer 1/2" 9-11S M3, shipping cost = $20.00 | 99.7% |
![]() | $230.98 | Condition is New, WATTS 0061935 / 0061935 (BRAND NEW), shipping cost = $12.90 | 97.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.95 | Condition is Used, Watts 1/2" 9D-M3 Backflow Preventer, shipping cost = $8.90 | 99.7% |
![]() | $34.99 | Condition is Used, Watts 1/2" 9D-M3 Watts Backflow Preventer Used Takeoff, shipping cost = $10.00 | 99.8% |
![]() | $44.88 | Condition is Used, Watts 0061935 9D-M3 Check Valve 1/2" Dual Check Vent, FREE SHIPPING | ![]() |
![]() | $50.00 | Condition is Used, Watts 1/2" Manual Backflow System (B1156F and 9D-M3), shipping cost = $10.00 | 100.0% |
![]() | $75.00 | Condition is Used, Watts 1/2" 9D M3 Dual Check Backflow Preventer w/ Atmospheric Vent 175PSI 235D, FREE SHIPPING | 99.9% |
![]() | $99.75 | Condition is Used, Watts 1/2" 9D-M3 Backflow Preventer, FREE SHIPPING | 100.0% |
![]() | $138.59 | Condition is Used, WATTS 0061935 / 0061935 (USED), shipping cost = $12.90 | 99.7% |
![]() | $149.99 | Top Pick! Condition is Used, Watts 1/2 In. 9D-M3 Combination Fill Valve and Backflow Preventer Threaded, shipping cost = $48.21 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $168.24 | Condition is Neu: Sonstige (siehe Artikelbeschreibung), Watts Regulator 0061935 Backflow Preventer 1/2" B64.3, FREE SHIPPING | 100.0% |
![]() | $116.44 | Condition is Neu: Sonstige (siehe Artikelbeschreibung), Watts 0061935 Backflow Protection 1/2 9D-M3 175psi 104-75-SM Unused Original Packaging, shipping cost = $75.76 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $100.00 | Condition is Open box, WATTS 0061935 Backflow Preventor with Atmospheric Vent, shipping cost = $5.22 | 98.8% |
![]() | $149.95 | Condition is Open box, NOS Watts Boiler Feed Valve Backflow Preventer assy 1/2" 9D-M3, EDP 2065383, shipping cost = $17.95 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.95 | Condition is For parts or not working, WATTS 1/2 9D-M3 BACKFLOW PREVENTER with union nuts, shipping cost = $7.90 | 100.0% |



The Watts 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent is a critical plumbing component designed to protect your water supply from potential contamination. This backflow preventer, manufactured by the renowned Watts Water Technologies, is a reliable and durable solution for any residential or commercial application.
The product is a dual check valve assembly, which means it utilizes two independent check valves to provide an added layer of protection against backflow. The first check valve, known as the primary check valve, is designed to prevent backflow in the normal direction of water flow. The secondary check valve, on the other hand, is designed to prevent backflow in the reverse direction. This dual protection mechanism ensures that your water supply remains safe and uncontaminated at all times.
The Watts 0061935 Dual Check Backflow Preventer features a threaded connection with an FNPT (Female National Pipe Thread) outlet, making it compatible with a wide range of piping systems. The 1/2 inch NPT (National Pipe Thread) inlet and outlet sizes are standard for many plumbing applications, providing flexibility in installation.
The product also includes a vent for air relief, which is a crucial feature for backflow preventers. The vent allows air to enter the device and exit, ensuring proper operation and preventing vacuum conditions that could cause the backflow preventer to fail.
The Watts 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent is constructed from high-quality materials, ensuring durability and longevity. It is built to withstand the demands of continuous use, providing reliable protection for your water supply for years to come.
In conclusion, the Watts 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent is a must-have plumbing component for any application where water quality is a concern. Its dual check valve mechanism, FNPT connection, and air vent make it a reliable and versatile solution for protecting your water supply from backflow.
Pros of Buying 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent (FNPT):1. Dual Check Valve: The dual check valve mechanism ensures that water flows in one direction only, preventing backward flow and contamination of the water supply.
2. Vent: The vent opening in the backflow preventer allows for equalization of pressure, which can help prevent water hammer and reduce the risk of damage to the plumbing system.
3. FNPT Connections: The FNPT (Flanged, National Pipe Thread) connections make it easy to install and connect the backflow preventer to existing piping systems.
4. Compliance with Code: This backflow preventer is likely to meet or exceed local codes and requirements, ensuring that your plumbing system is up to code and safe to use.
Cons of Buying 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent (FNPT):1. Cost: Backflow preventers can be expensive, and this one is no exception. The price may be a deterrent for some homeowners or businesses.
2. Maintenance: Backflow preventers require regular maintenance to ensure they continue to function properly. Failure to maintain the backflow preventer can result in costly repairs or replacement.
3. Complex Installation: Installation of a backflow preventer can be complex and may require the services of a licensed plumber. The cost of installation can add to the overall cost of the backflow preventer.
Conclusion:The 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent (FNPT) offers several benefits, including a dual check valve mechanism, vent for pressure equalization, and FNPT connections. However, the cost and complexity of installation may be deterrents for some. Ultimately, the decision to purchase this backflow preventer should be based on your specific needs and budget. If you require a backflow preventer to ensure the safety of your water supply, this product may be worth the investment. If cost is a concern, you may want to consider other options or negotiate with the seller.
Recommendation:If you require a backflow preventer to ensure the safety of your water supply, the 0061935 P/N 1/2 9D-M3 Dual Check Backflow Preventer with Vent (FNPT) is a reliable option. However, be sure to consider the cost and complexity of installation before making a purchase. It may be helpful to consult with a licensed plumber to ensure that this backflow preventer is the best fit for your needs.
Details:
The product is a unit and includes 1 item. Made in the USA. This is a watts 1/2 9D-M3 dual check backflow preventer with vent. It is a check valve used for preventing backflow in hvac and refrigeration systems.
It is made of brass and has fnpt connections.
specifications maxohvac:
- brand: Watts
- mpn: 0061935
- model: 1/2 9d-m3
- type: Check Valve
- unit type: Unit
- custom bundle: No
- country/region of manufacture: United States
returns maxohvac:
- policy: no returns
offer maxohvac:
- prices: $19.95–$549.50
- item condition:
- New – Open box
- New
- Used
- Neu: Sonstige (siehe Artikelbeschreibung)
- Open box
- For parts or not working
- in stock #: 5
- options: ship-to-home
- availability: in stock
- sold #: 23
- started: december 21, 2024
seller maxohvac:
- # reviews: 3971
- city: berlin, connecticut
- rating: 99.0%
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: diners-club
- other
- wallet: google-pay
shipping maxohvac:
- type: calculated
- class: standard
- transit: 5-10 days
- carrier: usps
- service: usps ground advantage
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