Products

In stock

PFS-CF-112N/7/D

Harwil CF-112N Chemical Feed Pump Interface Module, Noryl

Harwil CF-112N Chemical Feed Pump Interface Module Chemical flows when water flows. The Harwil CF-112N is a stand...

Flow Switch Controllers Harwil Corporation

From $168.30 $351.33

View specs →

In stock

PFS-CF-112R/7/D

Harwil CF-112VCR Chemical Feed Pump Interface Module, Fortron

Harwil CF-112VCR Chemical Feed Pump Interface Module Chemical flows when water flows. The Harwil CF-112VCR is a stand...

Flow Switch Controllers Harwil Corporation

From $168.30 $351.33

View specs →

In stock

PFS-L-40N/SPDT

Harwil L-40N Liquid Level Float Switch, Noryl PPO, Side and Top Mount

Harwil L-40N Level Switch Ten times less deposit sensitive. The Harwil L-40N is a side and top mount...

Level Float Switches Harwil Corporation

From $66.35 $169.25

View specs →

In stock

PFS-L-8N/C

Harwil L-8N / L-8CR Level Switch, Specific Gravity Compensating 0.6 to 1.5

Harwil L-8 Specific Gravity Compensating Level Switch Finds the interface, not just the level. The Harwil L-8 features...

Level Float Switches Harwil Corporation

From $150.00 $300.60

View specs →

In stock

PFS-LC-1

Harwil LC-1 Liquid Level Controller, NEMA 4, 30 Amp DPST Motor Contactor

Harwil LC-1 Liquid Level Controller Fill it or empty it, automatically. The Harwil LC-1 pairs any two Harwil...

Flow Switch Controllers Harwil Corporation

$425.80 $711.09

View specs →

In stock

PFS-QD-1/6/C

Harwil Q-1 Inline Flow Switch, 0.12 to 8 GPM, 1/2 in NPT, 300 psig

Harwil Q-1 Inline Flow Switch Low flow, high precision. The Harwil Q-1 is an inline flow switch covering...

Inline Flow Switches Harwil Corporation

From $285.70 $527.22

View specs →

In stock

PFS-Q-10VCR/18/SPDT/XX

Harwil Q-10N / Q-10VCR Flow Switch, 0.7 to 1025 GPM, 1 in to 16 in Pipe

Harwil Q-10N and Q-10VCR Flow Switch One body, enormous range. The Harwil Q-10N (Noryl) and Q-10VCR (Fortron) run...

Inline Flow Switches Harwil Corporation

From $103.20 $319.04

View specs →

In stock

PFS-Q-12CR/6"/6S/SPDT/4

Harwil Q-12N / Q-12CR Flow Switch, 0.7 to 590 GPM, 1/2 in NPT, 200 psig

Harwil Q-12N and Q-12CR Flow Switch Miniature body, serious range. The Harwil Q-12N (Noryl) and Q-12CR (Fortron) are...

Inline Flow Switches Harwil Corporation

From $77.30 $253.11

View specs →

In stock

PFS-QD-4E/4/C

Harwil Q-4E Inline Flow Switch, 4 to 70 GPM, 1 in NPT, 300 psig

Harwil Q-4E Inline Flow Switch Wide range, particle tolerant. The Harwil Q-4E is an inline flow switch covering...

Inline Flow Switches Harwil Corporation

From $240.90 $661.07

View specs →

In stock

PFS-Q-8DS/3/10566/C

Harwil Q-8DS Flow Switch, 5 to 80 GPM, 1 in NPT Side Port, SPDT 15 Amp

Harwil Q-8DS Flow Switch Protects the heater. The Harwil Q-8DS senses low flow independent of pressure or temperature...

Inline Flow Switches Harwil Corporation

From $99.30 $199.00

View specs →

In stock

PFS-Q-8CR/3/3/C

Harwil Q-8N / Q-8CR Flow Switch, 8 to 1900 GPM, 1 in to 10 in Pipe

Harwil Q-8N and Q-8CR Flow Switch Built for dirty water. The Harwil Q-8N (Noryl) and Q-8CR (Fortron) cover...

Inline Flow Switches Harwil Corporation

From $185.16 $389.38

View specs →

In stock

PFS-S27/A/2/D/0

Harwil S-27 Intrinsically Safe Solid State Hazardous Area Relay

Harwil Series 27 Intrinsically Safe Relay Standard switches, hazardous areas. The Harwil Series 27 is an intrinsically safe...

Flow Switch Controllers Harwil Corporation

From $260.70 $552.27

View specs →

In stock

PFS-SDC-101

Harwil SDC-101 Flow Loss Shut Down Controller

Harwil SDC-101 Shut Down Controller No flow, no power. The Harwil SDC-101 installs in the input power line...

Flow Switch Controllers Harwil Corporation

$422.40 $705.41

View specs →