Tank Vent Alarm (whistle)
Tank Whistle Alarm
Cast iron adaptor with aluminum whistle.
Extra-long stem available on special order.
Contact your heating specialist or oil supplier for a quote!
| Part No. | Tank Connection |
Vent Connection |
Caractéristics | Stem | Color | Listing |
|---|---|---|---|---|---|---|
| E525-999 | 2'' NPT | 2'' NPT | Standard fill rate | Short | Black | ULC |
| E550-999 | 2'' NPT | 2'' NPT | Fast fill rate | Long | Silver | ULC |
- Cast iron adaptor
- All parts made of metal