Fisher DrainKing 28991 Flat Sink Drain Strainer, Non-Overflow, Vandal-Resistant, Twist Waste Valve

SKU: 28991 GTIN: 642889289918
$232.61

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The Fisher DrainKing 28991 is a flat sink drain strainer with a non-overflow body, vandal-resistant strainer and knob, and twist waste valve operation.

  • Dual Teflon seals and a stainless steel ball support valve operation.
  • A clear-through opening permits snaking without disassembly.
  • The valve opens and closes fully with a quarter turn.
  • Supplied with an alternate lever handle.

Product Weight:

10.0 lb

Non-overflow body

The strainer has a non-overflow body.

Vandal-resistant strainer

The flat strainer is stainless steel and vandal resistant.

Vandal-resistant knob

The valve includes a vandal-resistant knob.

Quarter-turn operation

A 1/4 turn fully opens and closes the valve.

Dual Teflon seals

The valve uses dual Teflon seals.

Stainless steel ball

The valve includes a stainless steel ball.

Cast red brass body

The body is cast red brass.

Stainless steel clamping ring

The assembly includes a stainless steel clamping ring.

Clear-through opening

The opening allows snaking without disassembly.

Standard sealing angle

The industry-standard sealing angle fits flush to standard stainless steel sinks.

Alternate lever handle

An alternate lever handle is supplied.

Type Twist waste valve
Drain outlet size 2 in. NPT male / 1-1/2 in. NPT female
Drain rate 12 GPM
Body material Cast red brass
Strainer material Stainless steel
Valve seals Dual Teflon seals
Valve operation 1/4 turn fully opens and closes valve
Opening Clear-through
Supplied handle Alternate lever handle
Weight 5.0 lbs
Compliance ASME A112.18.2 / CSA B125.2

Certifications & Compliance

Certified badge of CSA Certified
CSA Certified

Frequently Asked Questions

No. The 28991 has a non-overflow body.
The specified connections are 2 in. NPT male and 1-1/2 in. NPT female.
The valve fully opens and closes with a 1/4 turn.
The specified drain rate is 12 GPM.
Yes. An alternate lever handle is supplied.

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