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Gas burner control unit IFS 137 B-3 Kromschroeder

Elster Kromschroder

£1,437.00
SKU:
G261240621
Condition:
New
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Product Overview

Gas burner control unit IFS 137 B-3 Kromschroeder

 

Automatic gas firing devices IFS 137 B, similar to IFS 135, but the
ignition valve remains open for half a safety delay if the flame goes
off during operation, DIN-DVGW approval


sec. A = Start safety delay
sec. B/H = main gas/operation safety delay
sec. B/Z = ignition gas/operation safety delay