JR Smith 1320-12″ Roof Drain Sump Receiver Kit


The Jay R. Smith 1320-12″ Roof Drain & Sump Receiver Kit 

  • Includes 1 side outlet roof drain, 1 sump receiver and 1, two piece underdeck clamp
  • Parcel and freight shipping to USA, including Hawaii, Alaska and Canada. Questions or problem ordering? Call us (949) 297-8689. PST, USA, 8 am to 5 pm

Jay R. Smith 1320 Roof Drain & Sump Receiver Kit

For your convenience, the Jay R Smith 1320 roof drain and sump receiver kit is ready to install with all of the basic components needed. 

It is primarily used on medium duty commercial applications  The 12″ bowl makes it an economical choice for installing on flat roofs that do not have the demand of a 15″ roof drain. 

It can be installed where the joists are 16″ on center minimum.

Zurn ZC100-90 side outlet roof drain

Jay R Smith 1320 Roof Drain


  • model Jay R. Smith 1320Y-CID-CR
  • 12″ diameter 
  • cast iron bowl 
  • cast iron membrane clamp/gravel guard
  • cast iron dome (CID)
  • No-hub connection (Y) 
  • The pipe sizes included in this kit are 2″– 4″.
  • Add a water dam to convert it to an overflow roof drain  

Sump Receiver

image of a roof drain sump receiver
  • Fabricated from stout 18 gauge galvanized steel    
  • The sump pan’s dimensions are 16″ x 16″ square
  • The sump pan provides surface area for the roof membrane to attach to. 

Underdeck Clamp

Roof drain under deck clamp
  • Fabricated from lightweight aluminum, the underdeck clamp effectively anchors the roof drain to the roof.
  • It is installed from below the roof drain after the roof drain has been set in place. installation.
  • This is especially useful in those locations that experience earthquakes.   

Here Are Some Useful Roof Drain Installation Tips

  1. The sump receiver does not lower your roof drain below the deck and may cause it to sit slightly higher. This is not a problem if the roofing is sufficiently thick, as in the case of an insulated roof. (or 1″ or more). If not, you run the risk of causing heavy ponding rainwater.
  2. Pressure test and flow test the entire installation for at least 15 minutes after installation.
  3. To get more information on the full installation procedure visit the “HOW TO INSTALL A ROOF DRAIN” page
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