Intermatic Heater Control Fireman Switch Kit (156T4042A)

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The Intermatic Heater Control Fireman Switch Kit is a replacement or add-on control component for compatible pool and spa timer installations. A fireman switch is used to shut down a heater before the circulation pump turns off, helping allow heat to dissipate and supporting safer heater operation in properly configured systems.Use this kit only with compatible Intermatic timers and heater control arrangements. Confirm timer model, heater requirements, wiring configuration, and control compatibility before ordering or installation. Intermatic heater control fireman switch kit Helps coordinate heater shutdown before pump shutoff Designed for compatible pool and spa timer systems Useful for heater protection and control service Verify part number 156T4042A before purchase Show more