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

Item        Description    
LDU11.523A17    Gas valve proving unit, 110VAC, cULus, FM
LDU11.323A17    Gas valve proving unit, 110VAC, CE
AGM11        Standard LDU baseplate with Pg11 threads
AGM11.1        Optional LDU baseplate with M16 threads