
Quick overview
- Relieves at 75 PSI Rated for a 75 PSI relief setting.
- Genuine Raypak Factory part number 017957F.
- Supplied as a kit Sold as the Raypak pressure relief valve kit.
- A safety device The relief valve is what protects the heat exchanger and plumbing from over pressure.
- Replace when it weeps A valve that will not reseat has to be changed, not tightened down.
- Check the rating first Confirm 75 PSI is the setting your heater calls for before fitting.
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Product details
The Raypak 017957F is the pressure relief valve kit rated at 75 PSI, the genuine Raypak part.
What it does
The relief valve is the deliberate weak point on the water side of a heater. If a closed valve, an airlock or a stuck circuit lets pressure climb while the burner is firing, the relief valve opens and dumps rather than letting the heat exchanger or the plumbing take the load.
When to change it
Relief valves fail toward leaking. Once scale keeps the seat from closing again, the valve seeps continuously and the heater loses water. Replace it rather than capping it, and confirm that 75 PSI matches the rating your heater is specified for.
| Brand | Raypak |
|---|---|
| Manufacturer part number | 017957F |
| UPC | 840891044048 |
| Type | Pressure relief valve kit |
| Relief pressure | 75 PSI |
| Shipping weight | 1.85 lb |
| Ships | Parcel |
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