Description
The Warrick-Gems Sensors & Controls 26NMC1A0 is a precision liquid level control module engineered for low water cutoff applications in boilers and hydronic heating systems. Designed as a plug-in module with no enclosure, it installs directly into a standard 11-pin octal socket for fast, tool-friendly replacement and serviceability in the field.
Key Features
- Direct acting mode of operation for straightforward, reliable liquid level sensing
- 26,000 ohm (26K Ω) resistance rating for accurate conductance-based level detection
- 120Vac supply voltage — compatible with standard North American control circuits
- SPDT relay output (1 Normally Open / 1 Normally Closed) for versatile switching and integration
- 11-pin octal socket style plug-in design for easy installation and replacement
- Low water cutoff function protects boilers and hydronic equipment from dry-fire damage
- No enclosure included — mounts directly into compatible octal relay socket bases
Specifications
- SKU: 26NMC1A0
- Brand: Warrick-Gems Sensors & Controls
- Mode of Operation: Direct Acting
- Resistance: 26,000 ohm
- Supply Voltage: 120Vac
- Relay Type: SPDT (1 Normally Open / 1 Normally Closed)
- Socket Style: 11-Pin Octal
- Module Type: Low Water Cutoff Plug-In
- Enclosure: None
Application
The 26NMC1A0 is ideal for use in commercial and residential boiler systems where reliable low water protection is critical. The conductance-based sensing principle detects the presence or absence of water through electrical resistance, triggering the SPDT relay to cut off burner operation when water levels drop below the safe threshold — preventing costly equipment damage and unsafe operating conditions. The plug-in octal socket format makes this module a convenient drop-in solution for maintenance and replacement scenarios.
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