Intermatic Heater Control Fireman Switch Kit (156T4042A)

Electrical: Time Clock
Intermatic
156T4042A
_156T4042A
COMPARE AT $48.49
OUR PRICE $38.49
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Under 25 lbs. Contiguous USA
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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
Intermatic – Pool Timers, Control Systems, Time Clocks and Electrical Components
Who is Intermatic?

Intermatic is a global leader in energy management and control solutions, with over 130 years of innovation in electrical timing and automation technology. Widely recognized in the pool and spa industry, Intermatic manufactures reliable control systems used to automate pumps, heaters, lighting, and other equipment. Their products are trusted by homeowners and professionals for efficient, dependable system control.

What products does Intermatic specialize in?

Intermatic specializes in mechanical timers, digital timers, pool time clocks, control panels, surge protection devices, and automation systems. Their product lineup includes the widely used pool timer mechanisms and enclosures that regulate filtration cycles, pump operation, and lighting schedules. These components are essential for maintaining proper system timing and energy efficiency.

Why choose Intermatic parts for your pool or spa?

Intermatic products are known for durability, precision, and long-lasting performance. Their timers and control systems help automate daily operation, reducing energy usage and eliminating manual control. Pool professionals choose Intermatic for trusted, easy-to-install solutions that improve system efficiency and reliability.

How do you identify and choose the correct Intermatic part?

To select the correct Intermatic component, it’s important to match specifications such as voltage, timer type (mechanical or digital), load capacity, and enclosure style. Reviewing model numbers and system requirements ensures proper compatibility. Choosing the right timer or control system helps maintain efficient scheduling and safe operation.

Need help finding the right Intermatic part?

At Bath & Spa Parts Online, we carry a wide selection of Intermatic pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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