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Boiler Return-Temperature Protection
Boiler Protection Valve
A thermostatic mixing valve that maintains boiler return-water temperature above 130°F (55°C) to prevent internal condensation and reduce the acid corrosion that flue-gas condensation causes inside a boiler — protecting the boiler's service life without needing any external controls or wiring.
Size
1 ¼ inch
$320
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Product details
- Maintains boiler return-water temperature above 130°F (55°C)
- Prevents internal condensation and acid corrosion…
- No external controls needed
- Sizes from 1-1/4" to 4"
Boiler Protection Valve
Thermostatic boiler protection valve designed to keep return water above the condensation threshold and help extend boiler life.
Key Benefits
- Helps prevent condensation on the boiler inner wall by maintaining minimum return temperature
- Reduces acid corrosion risk caused by low-temperature flue gas condensation
- Thermostatic mixing action supports stable boiler protection without external control
- Multiple sizes available for small to large boiler applications
- Suitable for biomass and hydronic boiler systems where return protection is required
Specifications
- Acting Temperature: 130°F / 55°C
- Available Sizes: 1 1/4", 2", 3", and 4"
- Function: Boiler return-water protection through thermostatic mixing
- Application Range: Sized for boiler models from smaller UNI / Pellet / EKO systems up to larger 150-class systems
- Use Case: Prevents condensation and supports longer boiler service life
| Function | Thermostatic return-temperature protection |
|---|---|
| Minimum maintained return temperature | 130°F (55°C) |
| Sizes | 1-1/4", 2", 3", 4" |
| Compatibility | Biomass and hydronic boiler systems |
| Controls | None needed — self-regulating |
- Function
- Thermostatic return-temperature protection
- Minimum maintained return temperature
- 130°F (55°C)
- Sizes
- 1-1/4", 2", 3", 4"
- Compatibility
- Biomass and hydronic boiler systems
- Controls
- None needed — self-regulating
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