Hayward Heat Pump SMX306000016 / HPX51100122201 / HPX51101076801 - Control Board
Hayward Heat Pump SMX306000016 / HPX51100122201 / HPX51101076801 - Control Board is backordered and will ship as soon as it is back in stock.
Hayward Heat Pump Control Board | HPX51101076801
The Hayward HPX51101076801 Control Board Assembly is a genuine Hayward replacement electronic control board for select Hayward HeatPro, Summit, HeatMaster, EnergyTherm, and EasyTemp heat pumps.
This control board also replaces previous Hayward part numbers HPX51100122201 and SMX306000016, making it a direct replacement for many older Hayward heat pump systems.
Important: This listing is intended for compatible heat-only models, not heat/chill versions. Always confirm your heat pump model and existing control board part number before ordering.
Features
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Genuine Hayward Control Board Assembly
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Replacement electronic control board for select Hayward heat pumps
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Compatible with HeatPro, Summit, HeatMaster, EnergyTherm, and EasyTemp models listed below
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Replaces older Hayward control board part numbers
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For compatible heat-only applications
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Not intended for heat/chill versions
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Verify model number before ordering
Compatible Hayward Summit Heat Pumps
SUM25T, SUM25TA, SUM25TAC, SUM3T, SUM3TA, SUM3TAC, SUM4T, SUM4TA, SUM45TAC, SUM5T, SUM5TA, SUM5TAC, SUM7T, SUM7TA, SUM8TA, SUM8TAC
Compatible Hayward HeatPro Heat Pumps
HP21004T, HP21004TC, HP21124T, HP21254T, HP21404T
Compatible Hayward HeatMaster Heat Pumps
HML80T, HML110T, HML125T, HML50TA, HML65TA, HML80TA, HML110TA, HML125TA
Compatible Hayward EnergyTherm Heat Pumps
HET80BT, HET110BT, HET125BT, HET50TA, HET65TA, HET80TA, HET110TA, HET125TA
Compatible Hayward EasyTemp Heat Pumps
HCB65BT, HCB80BT, HCB110BT, HCB125BT, HCB50TA, HCB65TA, HCB80TA, HCB110TA, HCB125TA
Part Number
HPX51101076801
Replaces / Supersedes
HPX51100122201
SMX306000016
FAQs
The HPX51101076801 control board replaces older Hayward control board numbers HPX51100122201 and SMX306000016.
Yes. This control board is compatible with multiple Hayward Summit models. Check the complete compatibility list above and verify your model number before ordering.
Yes. Compatible HeatPro models include HP21004T, HP21004TC, HP21124T, HP21254T, and HP21404T.
Yes. It is also compatible with select Hayward HeatMaster, EnergyTherm, and EasyTemp heat pump models listed above.
No. This listing is for compatible heat-only applications and not heat/chill versions. Verify your exact heat pump model before ordering.
At K&J Leisure, we pride ourselves on being the best in the pool industry, not just because of our top-quality products but because of our unwavering commitment to customer satisfaction. We want you to love every purchase, but if something isn’t quite right, don’t worry—we’ve got your back!
Our Friendly Return Policy
Here’s how we make returns as refreshing as a dip in the pool:
- Hassle-Free Returns: You have a full 30 days to decide if your purchase is a perfect fit. If it’s not, simply return it—no questions asked! For purchases made in the off-season in cold weather climates, our Return window is open until June 15th! No need to wait to place an order.*
- No Restocking Fees: Unlike others, we believe in fair treatment for our customers and avoid restocking fees on the vast majority of returns. We waive restocking fees if your are not satisfied, if your problem was not resolved or if you simply change your mind!
- Wide Acceptance of Returns: Whether it’s a filter, pool cover, or accessory, we accept most items for return.
Exclusions:
- Custom orders such as Liners, Safety Covers, and Pool Kits cannot be returned, we will work with you to ensure your order is placed correctly on these non-returnable orders.
- Freight shipment orders, including heaters and larger pool filters not shipped via courier - These items may still be returned but we must recoup the original shipping cost that we have paid.
- Customer damaged - We totally understand that by the pool, exposure to chemicals, the elements and just having fun will cause some items to wear. However, we cannot accept returns if an item is damaged beyond use or in extremely poor condition.
How to make a return
Simply reach out to our friendly customer service team, and we’ll guide you through the quick and easy process. info@kjleisure.com or Toll-Free: (866)-509-8728
We can even help with return shipping options if needed!





