Key Benefits Multi-Voltage Primary: Supports 120V

Universal Compatibility: Rated for natural gas (NG) and liquefied petroleum (LP) gas-air mixtures

Built with a rugged brass body and NBR seals

Utilizing genuine Weil-McLain parts like the 512-200-079 prevents the common harmonics and delayed ignition "bang" often associated with inferior universal alternatives

Direct OEM Compatibility: Engineered specifically for Lochinvar SLA151-100

Lochinvar & A.O. Smith 100233496 Thermostat Well 318973-401 Key Benefits Multi-Voltage Primary: SupportsWhen you are dealing with a faulty temperature sensor or a leaking immersion point in a hydronic system, the Lochinvar & A. O. Smith 100233496 Thermostat Well is the OEM spec solution required for a professional grade repair. This bulb well features a 3 4 inch NPT threaded connection and a . 382 inch ID, designed to house the temperature sensing probe securely while preventing direct contact with the system fluid. Built for high durability performance