![Rule Check Valve f\/360\/500 Bilge 1" Straight Ports [1221R]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/1280x1280/products/24105/31947/101799BXL__33733.1759439233.jpg?c=1 "Rule Check Valve f\/360\/500 Bilge 1\" Straight Ports [1221R]")
![Rule Check Valve f\/800\/1100 Bilge 1-1\/8" Straight Ports [1223R]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/300x300/products/24106/31948/101801XL__39899.1759439235.jpg?c=1 "Rule Check Valve f\/800\/1100 Bilge 1-1\/8\" Straight Ports [1223R]")
![Rule Check Valve f\/360\/500 Bilge 1" Straight Ports [1221R]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/1280x1280/products/24105/31946/101799XL__88646.1759439232.jpg?c=1 "Rule Check Valve f\/360\/500 Bilge 1\" Straight Ports [1221R]")
Rule Check Valve f/360/500 Bilge 1" Straight Ports [1221R]
Rule
$7.99
$8.99
(You save
$1.00
)
Write a Review
Rule
Rule Check Valve f/360/500 Bilge 1" Straight Ports [1221R]
Check Valve for 360/500 Bilge 1" Straight Ports
Replacement Check valves for the "new" Rule-Mate Bilge pumps. Helps prevent backflow of water into the bilge.
Specifications:
- 3/4" (19mm)
- MPN:
- 1221R
![GROCO 1\/2" Bronze Pipe Nipple Check Valve [PNC-500]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/300x300/products/9646/11470/74247XL__39728.1746062878.jpg?c=1 "GROCO 1\/2\" Bronze Pipe Nipple Check Valve [PNC-500]")
![Rule Rule-Mate 500 Fully Automated Bilge Pump - 12V [RM500B]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/300x300/products/9931/11862/75163XL__07307.1746063637.jpg?c=1 "Rule Rule-Mate 500 Fully Automated Bilge Pump - 12V [RM500B]")
![Rule Rule-Mate 500 Fully Automated Bilge Pump - 24V [RM500B-24]](https://cdn11.bigcommerce.com/s-kmkvx7ggex/images/stencil/300x300/products/9934/11868/75166XL__54901.1746063646.jpg?c=1 "Rule Rule-Mate 500 Fully Automated Bilge Pump - 24V [RM500B-24]")