We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Cast iron circulator pump with two-inch flanges

Taco Inc

Taco Inc 0012-F4-1 cast iron circulator pump 2 in flange 1/8 hp 115V AC

SKU CH-VNKV-CNMW1 MPN 0012-F4-1

A hydronic circulator pump with a 2 inch flange connection, 1/8 hp motor and 115V AC single-phase supply, delivering up to 50 gpm at 1 foot of head and 25 gpm at 10 feet of head

  • Delivers up to 50 gpm at 1 ft head for strong circulation
  • Maintains 25 gpm at 10 ft head for consistent hydronic performance
  • 1/8 hp motor on 115V AC single phase runs efficiently
  • Cast iron body with 2 in flanges fits standard piping
  • Single-speed 00 series design simplifies installation and operation

Hydronic Cast-Iron Circulator Pump

This Taco 0012-F4-1 is a single-speed hydronic circulator built for residential and light-commercial heating loops. The cast-iron body handles standard boiler water and is rated for potable-water systems. It operates on 115V AC single-phase power with a 1/8 hp motor. Buyers needing variable-speed control or higher head pressure should look elsewhere.

15 ft Maximum Head at 115V AC

The pump delivers a maximum head of 15 ft, at which point flow drops to 0 gpm. At 10 ft of head the flow is 25 gpm, at 5 ft it reaches 45 gpm, and at 1 ft it peaks at 50 gpm. These four points define the entire performance curve; systems requiring more than 15 ft of head cannot use this model.

Two-Inch Flange Connection

The unit ships with 2 in flanges included and a face-to-face dimension of 8 1/2 in. Verify that your existing piping matches this flange size and centre-to-centre spacing before ordering. A common error is assuming the flanges are removable unions or that the bolt pattern matches other brands without measuring.

Highlights

  • Delivers up to 50 gpm at 1 ft head for strong circulation
  • Maintains 25 gpm at 10 ft head for consistent hydronic performance
  • 1/8 hp motor on 115V AC single phase runs efficiently
  • Cast iron body with 2 in flanges fits standard piping
  • Single-speed 00 series design simplifies installation and operation

Specifications

BrandTaco

Questions about this item

What does the 50 gpm flow rate at 1 foot of head mean for my hydronic system?

At 1 foot of head the pump can move up to 50 gallons per minute, showing its open-flow capacity for low-resistance loops.

How does the 115V AC single-phase supply limit installation options?

It requires a standard 115-volt single-phase circuit, so no three-phase panel or special wiring is needed.

What clearance should I allow for the 8 1/2 inch face-to-face dimension?

The flanged body measures 8 1/2 inches between flange faces, so plan at least that much straight pipe run plus bolt clearance.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.