Model Number:
31-S

Notes:

• Easy connection to inlet and outlet ports. Depending on product chosen, inlet ports fit 1/4" or 3/8" flexible poly tubing. All outlet ports fit 3/8" poly tubing.
• Kit S-C (pictured top right) provides compact air gap unit and convenient mounting arrangement for RO type water coolers.
• Kit S-D (pictured bottom left) provides a convenient alternative to include a code listed air gap unit in the indirect drain piping; if a dispensing faucet is not needed or is to be remotely located or if installer prefers not to use an air gap style dispensing faucet.
• Unit designs lab tested at over 1/2 G.P.M. (2 Liter/minute) or more, depending on style of unit. Optimum suggested usage approximately 1 to 16 oz/min. (30 to 500 milliliters/minute).
• S-A and S-B unit housing length approximately 3" (7.62 cm) long.

Depending on installation, this unit enables full backflow and backsiphon backflow protection.