Model: 4YM37
Category: Plumbing & Fluid Handling Liquid Level Switches
Type: Horizontal Liquid Level Switch Polypropylene Body w/ PBT Float

The 4YM37 Horizontal Liquid Level Switch PBT Float is a compact and reliable solution for monitoring and controlling liquid levels in tanks and fluid systems. Designed with a durable polypropylene body and float, this switch provides excellent chemical resistance and long-lasting performance in a wide range of industrial and commercial applications.

Key Features

Horizontal liquid level switch with PBT float

Durable polypropylene body and stem for chemical resistance

Selectable SPST switch function (NO or NC)

Compact design for side-mount tank installations

Rated up to 100 PSI and 221F max temperature

Includes 24″ 22-gauge MTW coated electrical leads

Reliable and low-maintenance liquid level sensing

Technical Specifications

Product Name: Liquid Level Switch
Model / Part Number: 4YM37

Mounting Type: Horizontal
Contact Form: SPST (Selectable Function)
Body Material: Polypropylene
Stem Material: Polypropylene
Float Material: Polypropylene (PBT Float)

Float Diameter: 1″
Float Length: 1.75″
Float Specific Gravity: 0.60

Tank Connection Size: 5/8″-11 UNC
Conduit Size: 5/8″-11″

Max Pressure: 100 PSI
Max Voltage: 240V
Max Current: 0.28A
VA Rating: 30

Operating Temperature: Up to 221F

Electrical Connection: 22 ga. MTW Coated 24″ Leads

Overall Length: 4.02″
Stem Length: 2.88″
Width: 0.6″

Condition: New

Typical Applications

Liquid level monitoring in tanks and reservoirs

Automatic pump control systems

Chemical and water storage systems

Industrial and commercial fluid management

Overflow protection and low-level shutdown systems

Applications requiring a horizontal liquid level switch with polypropylene construction (SPST, up to 100 PSI, 240V)