26MB1A0 GEMS 10K 120V 11 Pin LWCO – Low Water Cutoff Module
🔍 Product Overview
The 26MB1A0 GEMS LWCO (Low Water Cutoff) is a precision liquid level control module for boilers and water-level sensitive systems. It ensures safe operation by preventing low water conditions. The direct-acting module features a high-sensitivity 10,000K ohm setting and an 11-pin octal plug-in design for fast installation.
Designed for industrial and commercial boilers, this LWCO includes an SPDT relay with powered contacts and is compatible with standard 120V AC control circuits. No enclosure is included, making it ideal for integration into existing panels.
🌟 Key Features
✅ 10,000K ohm High Sensitivity – Accurate water level detection
✅ Direct-Acting Operation – Immediate response to low water conditions
✅ SPDT Relay with Powered Contacts – 1 Normally Open / 1 Normally Closed
✅ 11-Pin Octal Plug-In Design – Easy replacement
✅ 120V AC Supply – Compatible with standard control circuits
✅ Low Water Cutoff Module – Protects boilers from dry firing
✅ Compact Design – No enclosure required for flexible installation
📊 Technical Specifications
| Specification | Details |
|---|
| Model Number |
26MB1A0 |
| Type |
Low Water Cutoff Module |
| Sensitivity |
10,000K ohm |
| Operation Mode |
Direct-Acting |
| Supply Voltage |
120V AC, 50/60Hz |
| Relay Type |
SPDT (1 NO / 1 NC) |
| Pin Style |
11-Pin Octal Socket |
| Enclosure |
None (Plug-In Module) |
| Application |
Industrial & Commercial Boilers |
| Function |
Liquid level monitoring, low water safety |
⚠️ Common Symptoms (When Replacement is Needed)
-
Boiler shuts down unexpectedly due to low water
-
Erratic or false triggering of LWCO
-
Corrosion or damage to pins or module
-
SPDT relay failure
-
Inconsistent water level monitoring
❓ Frequently Asked Questions (FAQ)
Q1: Which systems are compatible with this LWCO?
➡️ Boilers and water-level sensitive systems using 11-pin octal LWCO modules.
Q2: Is an enclosure included?
➡️ No, it is designed to plug directly into a compatible socket.
Q3: What type of relay is included?
➡️ SPDT (Single Pole Double Throw) with 1 Normally Open / 1 Normally Closed contact.
Q4: What supply voltage does it require?
➡️ 120V AC, 50/60Hz.
Q5: How should it be installed?
➡️ Plug into an 11-pin octal socket and ensure proper wiring per manufacturer guidelines.
🛒 Shopping Tips
✅ Verify your system uses an 11-pin octal LWCO module.
✅ Inspect the old module for corrosion or wear before replacement.
✅ Ensure secure connection when plugging into the socket.
✅ Replace annually or per manufacturer recommendations.
