The seat disc (manufactured with durable brass or Monel depending on the valve date code) ensures a positive seal against unwanted water bypass

and preventative maintenance on fluid control systems where original tolerances have drifted due to vibration or mechanical wear

000 PSIG pressure

Wide Operating Temperature: Reliable performance in ambient conditions ranging from -40°F to 150°F

Fenwal 35-679927-561 Module R-410A The seat disc (manufactured withThe Fenwal 35 679927 561 Ignition Control Module is a microprocessor based 24 VAC direct spark ignition system engineered for heavy duty commercial and industrial combustion appliances. This hot surface ignition (HSI) module features proven HSI technology with a built in blower relay and remote reset functionality, making it a critical component for high output systems exceeding 400,000 BTU. Designed for multi trial ignition, the unit monitors the