Raypak AVIA 404A
The best rounded in-ground pool heater here for most owners: efficient, low NOx and app controlled with a longer warranty, if bought from an authorized dealer.
Amazon $4,420.27$4,420.27
4.3/5
For salt pool owners who want the AVIA features with a tougher heat exchanger and will pay extra for it.
- 399,000 BTU/hHeating input
- 84%Efficiency
- Natural gas or propaneGas type
- 3 yearsWarranty
Check price at Amazon$4,923
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Heavy duty heat exchanger made to last longer in salt pools and hard to balance water
- Three years of parts and labor coverage from an authorized dealer
- Built in Wi-Fi app control
Cons
- Costs several hundred dollars more than the copper AVIA
- Warranty is void if the seller is not an authorized Raypak dealer
- Raypak also sells newer B models, so check which version a store ships
The Raypak AVIA family
Every Raypak AVIA model we rank, smallest first. Ratings compare each against its own size.
| Model | Heating input | Rating | Price |
|---|---|---|---|
| Raypak AVIA 264A | 264,000 BTU/h | 3.4/5 | $3,489.52 |
| Raypak AVIA HD NiTek 264A | 264,000 BTU/h | 3.2/5 | $4,004.42 |
| Raypak AVIA 404A | 399,000 BTU/h | 4.4/5 | $4,420.27 |
| Raypak AVIA HD NiTek 404A (this one) | 399,000 BTU/h | 4.3/5 | $4,923 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Heating | |
|---|---|
| Gas input | 399,000 BTU/h |
| Gas type | Natural gas or propane |
| Thermal efficiency | 84% |
| Condensing | No |
| Heat exchanger | Nitek |
| Max water flow | 100 GPM |
| Installation and controls | |
| Ignition | Electronic |
| Venting | Both |
| Digital controls | Yes |
| Automation or app | Yes |
| Warranty | 3 years |
Alternatives in this size
Pentair MasterTemp 400
A strong pick for in-ground pools already on Pentair automation, though online buyers get only a short warranty.
Amazon $4,079$4,079
Raypak Digital 406A
Good value for in-ground pools outside low NOx areas, provided it comes from an authorized dealer so the warranty holds.
Amazon $4,421.17$4,421.17
Compare
Compare the Raypak AVIA HD NiTek 404A with any other gas pool heater →
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