professional-grade installation every time

this 370V dual run capacitor meets EIA-456-A standards for long-term performance under high thermal stress

20 inch WC switch is the direct performance successor to legacy part numbers 024-27631-000

How do I identify the correct Maxitrol spring

at 75°F (mid-point of the hardware range)

Lochinvar & A.O. Smith 100289438 Gasket R-407A professional-grade installation every timeAs a field technician, you know that maintaininig a gas tight seal on high efficiency equipment is non negotiable. The Lochinvar & A. O. Smith 100289438 Gasket Set is a critical OEM replacement kit designed specifically for the WH110 series and related commercial heating systems. This comprehensive kit includes high durability componentsincluding boiler gaskets and O ringsengineered to withstand the intense thermal cycling and chemical exposure