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though always consult the manufacturer's service manual for specific installation protocols
If your unit utilizes ASME-certified cast iron headers
provided the system pressure does not exceed the hose's rated burst capacity
Common Questions & Technical Support What is the difference between the 50001774-001 and the 50001774-001/U
Fenwal 35-615957-115 Control Refrigerant though always consult the manufacturer'sThe Fenwal 35 615957 115 Control is a microprocessor based 24V DSI Calcana Ignition Control engineered for high demand gas fired heating systems. This direct spark ignition module serves as the official replacement for 35 615925 115, providing seamless integration into Calcana infrared heaters and commercial burner assemblies. Operating on 24 VAC with a 1 4 HP combustion blower relay, it features a 15 second pre purge, 15 second inter purge, and a 10