Level Controls

A level control system consists of a sensor, controller, valve or pump and may be on-off or modulating. It is vital that your boiler water levels be monitored safely and accurately.

  • Products compliant with all relevant European standards & regulations
  • Safe working environment for your employees
  • Reduce the risk of accident in the boiler house
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Not all products are available in all markets.  Please choose your National Spirax Sarco Website or Contact Us for further information.

What do I do now?

Find further information on Level Controls in the sections below, or get in touch for further assistance.

Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders
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Sales Brochures

Our brochures typically contain the concept, customer benefits and key features of the product.

Title Reference Number Issue File Size
PDF Adjustable on/off level controls SB-P402-59 3 547 KB
PDF DCV 2/B Boiler feed check valves SB-P402-04 4 101 KB
PDF Electronic Steam Boiler Controls SB-GAB-22 1 1.29 MB
PDF High integrity self-monitoring, low level alarms for steam boilers SB-P402-28 5 357 KB
PDF High integrity, self-monitoring, high level alarms for steam boilers SB-P402-82 3 408 KB
PDF IBC2700 Integrated boiler controller SB-P402-124 1 528 KB
PDF LC2610 Multi - function level controller SB-P402-105 2 507 KB
PDF Modulating level controls for steam boilers SB-P402-02 4 326 KB
PDF On/off level controls for steam boilers and other applications SB-P402-113 1 274 KB
PDF Steam boiler water level controls and alarms an overview SB-P402-101 4 623 KB
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Technical Information

Use our technical information sheets for a full technical specification of the product. They typically include:

  • Pressure/temperature limits
  • Materials
  • Sizes & connections
  • Dimensions & weights
  • Capacity charts
  • Ordering information
Title Reference Number Issue File Size
PDF APS1 Probe Simulator TI-P402-68 2 57 KB
PDF C2 Probe Chamber TI-P402-41 3 55 KB
PDF DCV2/B Boiler Feed Check Valve TI-P402-121 4 80 KB
PDF Electrical Enclosures - General Purpose - Plastic TI-P402-29 6 109 KB
PDF LC1350 Level Controller TI-P402-132 1 619 KB
PDF LC2250 Level Controller TI-P402-133 1 219 KB
PDF LC2650 Level Controller TI-P402-134 1 219 KB
PDF LC3050 Level Controller TI-P402-135 1 598 KB
PDF LP10-4 Level Probe TI-P402-91 10 92 KB
PDF LP20 Capacitance Level Probe TI-P402-39 7 94 KB
PDF LP30 Self-Monitoring Level Probe TI-P402-43 6 33 KB
PDF LP31 Level Probe TI-P402-81 4 56 KB
PDF LT2010 Level Transmitter TI-P402-61 3 57 KB
PDF PA20 Preamplifier TI-P402-66 3 23 KB
PDF Probe Clearance Test Instructions for use of Checking Wires TI-P402-75 2 71 KB
PDF Probe Flanges for External Level Control Chambers TI-P402-07 4 61 KB
PDF Probe Flanges for Protection Tubes TI-P402-06 3 59 KB
PDF Remote Alarm and Shutdown Panels for Boilers TI-S75-06 2 111 KB
PDF Selection of Modulating Feedwater Valves Electrically Actuated TI-S75-11 2 70 KB
PDF Selection of Modulating Feedwater Valves Pneumatically Actuated TI-S75-12 3 116 KB
PDF SPV1 and SPV3 Sequencing Purge Valves TI-P402-42 3 68 KB
PDF WV1 Water Valve - Pilot Operated TI-P402-03 6 104 KB

Archive Technical Information
PDF LC1300 Level Controller TI-P402-112 2 301 KB
PDF LC2200 Level Controller TI-P402-73 4 712 KB
PDF LC2300 Level Controller TI-P402-71 3 273 KB
PDF LC2500 Level Controller TI-P402-51 4 289 KB
PDF LC2610 Level Controller TI-P402-94 3 221 KB
PDF LC3000 Level Controller TI-P402-34 5 272 KB
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Installation & Maintenance Instructions

Clear & accurate guidelines on installation & maintenance. They typically include:

  • General safety information
  • General product information
  • Installation
  • Commissioning
  • Operation
  • Maintenance
  • Spare parts
Title Reference Number Issue File Size
PDF APS1 Probe Simulator IM-P402-69 1 25 KB
PDF DCV2/B Boiler Feed Check Valve IM-P402-35 3 36 KB
PDF LC1350 Level Controller IM-P402-129 2 1.68 MB
PDF LC2250 Level Controller IM-P402-130 2 1.73 MB
PDF LC2650 Level Controller IM-P402-128 3 2.38 MB
PDF LC3050 Level Controller IM-P402-131 2 812 KB
PDF Level Control Systems Supplementary Safety Information IM-P402-115 3 29 KB
PDF Level Probe LP10-3 IM-P402-49 1 72 KB
PDF LP10-4 Level Probe IM-P402-92 10 252 KB
PDF LP20 Capacitance Level Probe IM-P402-37 7 28 KB
PDF LP30 High Integrity, Self-monitoring Low Level Alarm Probe IM-P402-44 10 386 KB
PDF LP31 Level Probe IM-P402-80 5 273 KB
PDF PA20 Preamplifier IM-P402-67 10 220 KB
PDF Remote Alarm and Shutdown Panel IM-P402-52 4 72 KB

Archive Installation & Maintenance Instructions
PDF LC1300 Level Controller IM-P402-111 8 557 KB
PDF LC1350 Level Controller IM-P402-129 1 1.95 MB
PDF LC2200 Level Controller IM-P402-77 10 550 KB
PDF LC2250 Level Controller IM-P402-130 1 1.57 MB
PDF LC2300 Level Controller IM-P402-72 6 256 KB
PDF LC2400 Controller IM-P402-84 6 1.18 MB
PDF LC2500 Level Controller IM-P402-50 10 502 KB
PDF LC2610 Level Controller IM-P402-93 7 956 KB
PDF LC3000 Level Controller IM-P402-36 13 343 KB
PDF LT2010 Level Tranmitter IM-P402-62 6 443 KB
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Steam Engineering Tutorials

Tutorials explaining the principles of steam and heat transfer, specific to this product section.

Automatic Level Control Systems

A detailed explanation of on/off, modulating, two and three element automatic level control, with a comparison of pros and cons.

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CAD Drawings

CAD drawings enabling you to see exactly how the product is constructed. You can also drop these into your own schematics.

Level Controls - CAD Drawings

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Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders