this service valve package includes the required gasket and mounting bolts for 2-bolt flange installation

Facilitates a high-stability flame pattern essential for power gas burner efficiency

Can the Carrier EF33CZ213 be converted for Liquid Propane (LP) use

this component enforces a mandatory 5-minute off-cycle

Designed to drive blower and pump systems

Lochinvar & A.O. Smith 100109988 Control Board 318820-201 this service valve package includesOptimizing technical performance in gas fired commercial water heaters requires precise control over the 24V ignition sequence. The Lochinvar & A. O. Smith 100109988 Ignition Control Board is a factory authorized OEM replacement engineered for high recovery systems, ensuring consistent burner operation and flame sensing accuracy. As the direct updated version for the legacy 9004618005, this board integrates advanced microprocessor control logic to