The Siemens LDU11 gas valve leak test control checks for leakage through the shutoff valves prior to burner start-up and/or immediately after burner shutdown. The cost effective, easy to install LDU11 adds a substantial degree of safety to any combustion system.
- Checks both shutoff valves for leakage
- Improves system safety
- No inlet gas pressure limitations
- Globally approved – cULus, FM, CSA, CE
- Easy-to-read dial indicates progress of test program