Model: 4YM37Category: Plumbing & Fluid Handling → Liquid Level SwitchesType: 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 221°F max temperature Includes 24" 22-gauge MTW coated electrical leads Reliable and low-maintenance liquid level sensing Technical Specifications Product Name: Liquid Level SwitchModel / Part Number: 4YM37 Mounting Type: HorizontalContact Form: SPST (Selectable Function)Body Material: PolypropyleneStem Material: PolypropyleneFloat Material: Polypropylene (PBT Float) Float Diameter: 1"Float Length: 1.75"Float Specific Gravity: 0.60 Tank Connection Size: 5/8"-11 UNCConduit Size: 5/8"-11" Max Pressure: 100 PSIMax Voltage: 240VMax Current: 0.28AVA Rating: 30 Operating Temperature: Up to 221°F 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)