SITBurner Controls
Sit 0503501 control box
The Sit 503 EFD is an electronic flame control device for burner applications, featuring a 2-4 mm spark gap and 230 Vac alarm output rated at 1 A. With adjustable repetition rates from 1-25 Hz and IP 40 protection…
SKU 3G-CBM-06073
Also listed as: REL 55051 · REL-55051
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SIT Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The Sit 503 EFD is an electronic flame control device for burner applications, featuring a 2-4 mm spark gap and 230 Vac alarm output rated at 1 A. With adjustable repetition rates from 1-25 Hz and IP 40 protection, it integrates into industrial combustion control systems.
Used in
Common applications for SITCommercial boiler gas-control replacement — Sigma 845 / 848 on hot-water and steam boilers
Catering and commercial kitchen equipment — Eurosit 630 thermostatic valves on fryers, ovens, and steamers
Residential heating appliance service — NOVA 820 / 822 / 824 as OEM-replacement gas-control valves
Standing-pilot gas appliance refurbishment — Eurosit 630 and Minisit thermostatic controls
Industrial gas-fired process equipment — Sigma 848 modulating gas valves for burner integration
SIT Products
3G Electric supplies SIT burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
