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Contact Us FreeSPI 60A808 Tecmark TBS345 External Air Switch | Pump Professionals
$17.85SPI 60A808 — Tecmark TBS345 external air switch. Provides reliable on/off control via air pressure for aerobic septic treatment systems and spa/hot tub applications.
Showing 3569–3572 of 3572 results
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SPI 60A809 Tecmark TBS454 Internal Air Switch | Pump Professionals
$17.85SPI 60A809 — Tecmark TBS454 internal air switch. Mounts inside the control panel for air-pressure-activated on/off control in aerobic septic treatment systems.
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SPI Observer 200 Indoor High Water Alarm with Battery Backup (10A200) | Pump Professionals
$84.45SPI 10A200 Observer 200 — indoor high water alarm with built-in battery backup. Provides audible and visual alerts for high water conditions in septic, sump, and lift station systems even during power outages.
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SPI Observer 500 High Water Alarm 120V (10A516) Indoor/Outdoor | Pump Professionals
$112.14SPI 10A516 Observer 500 — 120V indoor/outdoor high water alarm with audible horn and visual LED indicator. Alerts to high water conditions in septic, sump, and lift station systems.