Flammable Vapor Sensor

The Bradford White 415-45560-00 Vapor Switch is a factory-engineered flammable vapor sensor assembly designed for use with select Bradford White commercial and residential gas water heaters. This sensor provides reliable detection of flammable vapors in the vicinity of the appliance and interfaces directly with the heater’s safety control system to ensure automatic shutdown under hazardous conditions. Constructed to OEM specifications, the vapor switch maintains system safety and compliance with applicable fuel gas standards.

Details

• Model Number: 415-45560-00
• Manufacturer: Bradford White
• Product Type: Flammable Vapor Sensor (Vapor Switch)
• Part Number: 1855933
• Application: Safety sensor for gas-fired water heaters
• Compatible Models: PE2XR504TBN,SX; PE4403SBN,SX; PE440TBN,SX
• Function: Detects presence of flammable vapors and signals the control module to disable burner operation
• Connection Type: Plug-in electrical connector for direct interface with control board
• Operating Conditions: Designed for ambient temperature operation near water heater base
• Compliance: Factory-tested safety component meeting ANSI Z21.10.1/CSA 4.1 standards for gas water heaters
• Construction: Encapsulated sensor body with integrated mounting and lead connection

Professional Specifications

The Bradford White 415-45560-00 Vapor Switch serves as a critical safety interlock in sealed combustion and atmospheric water heater models. The sensor continuously monitors ambient air near the heater’s base for the presence of combustible vapors. Upon detection, it sends a fault signal to the electronic gas control system, initiating lockout and disabling the ignition sequence to prevent combustion of hazardous fumes. The unit is designed for direct field replacement, featuring OEM-matched connectors and mounting configuration for PE2XR, PE4403, and PE440 series models. Each sensor is manufactured and tested under controlled conditions to ensure reliability and system compatibility.

Summary

The Bradford White 415-45560-00 Flammable Vapor Sensor provides an OEM-approved safety solution for compatible Bradford White gas water heaters. Engineered for accurate vapor detection and seamless system integration, it ensures compliance, operational safety, and dependable performance in professional water heating installations.