Overview The Schneider Electric (Square D) 9037HG30Z20 Tank Float Switch is a durable control device designed for use in HVAC condensate and water tanks. Operating at a maximum of 50 PSI, the switch closes on rising liquid levels to prevent overflow and ensure safe system operation. Compatible with a variety of HVAC systems, it provides reliable liquid level monitoring, reduces the risk of water damage, and minimizes maintenance interruptions. Easy to install and highly dependable, it enhances system safety, efficiency, and longevity, making it ideal for residential and commercial applications. Compatibility For an efficient and reliable HVAC system, the Schneider Electric Tank Float Switch is a great choice for optimal system performance. Product details Model: 9037HG30Z20 Application: HVAC condensate and water tanks Operating pressure: up to 50 PSI J-18808-Ljbffr