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OEM Hayward Thermostat with Knob HAXTST1930 is an essential control component for Hayward H-Series Millivolt and ED1 pool heaters. This part provides precise temperature regulation to ensure your water remains consistently warm and comfortable. It features an easy-to-use knob that simplifies temperature adjustment. As a genuine Hayward part, the HAXTST1930 ensures compatibility, straightforward installation, and dependable performance over time, making it a practical choice for maintaining your heater’s efficiency.
Highlights
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For H-Series Millivolt and ED1 Models: Specifically built to integrate with Hayward’s Millivolt and ED1 heater systems with no compatibility concerns
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Reliable Temperature Control: Ensures the heating system maintains target water temperature accurately for optimal performance
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User-Friendly Interface: Adjustment knob offers a simple, direct method for setting and fine-tuning heat levels
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Seamless System Integration: Genuine OEM part installs easily and functions reliably within your existing heater setup
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Durable Replacement Solution: Designed for extended performance and consistent accuracy even under frequent use
Includes
- (1) Hayward HMXHLI2932 Hi-Limit
Compatibility
- Hayward Universal H-Series Low NOx Heater Models
- Hayward H-Series Millivolt Heaters
Note: This hi-limit may be compatible with your system, please refer to your owners manual to ensure compatibility.
Diagram

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