Honeywell L4079B1066 PressTrol pressure switch with manual reset and open-high configuration. Rated 20–300 PSI. Designed for steam and hot-water heating systems requiring reliable pressure control and safety shutdown. OEM-quality replacement part.
Honeywell L4079B1066 PressureTrol Switch 20-300 PSI
Honeywell
$0.00
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- OEM / cross-reference
- L4079B1066/U
- Fits brands
- Honeywell
- SKU:
- L4079B1066
- Product Type:
- Pressure Switch
- Subcategory:
- Manual Reset Pressure Switch
- Application:
- Residential/Commercial
- System Type:
- Boiler, Steam System, Hot Water Heating
- Installation Type:
- OEM Replacement
- Voltage:
- 120Vac, 240Vac
- Phase:
- Single Phase
- Temperature Range:
- 32°F to 150°F
- Pressure Rating:
- 300 PSI
- Inlet Size:
- 1/4" NPT
- Connection Type:
- NPT
- Material:
- Stainless Steel (sensor element)
- Control Type:
- Non-Programmable
- Switch Action:
- SPST Break on rise