Description
For technicians performing water heater burner replacement
Designed with 5/8-inch inlet and outlet connections
look for 24V power at the 'R' terminal
Heavy-Duty Circuit Protection: Includes robust capacitors and a reactor to filter DC current and protect against erratic power supply
By delivering consistent resistance values to the ERC2 control board
Siemens Building Technology 331-2904 Actuator 320074-702 For technicians performing water heaterThe Siemens 331 2904 is a heavy duty #4 pneumatic damper actuator designed for the gradual or positive actuation of large dampers in commercial ventilating systems. This piston type actuator features an all metal body construction and is specifically UL recognized for high stakes fire and smoke applications. With a 3 7 psi spring range and a generous 4 inch stroke, it provides the necessary force for reliable operation of outdoor air, return air, and
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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