As the Bard 8201-032BX direct replacement for the legacy 8201-032 model

but larger oil volumes may require additional units

utilizing this OEM Lochinvar boiler part ensures factory-spec fitment and long-term reliability in closed-loop systems

Key Benefits Broad Compatibility: Engineered to work across a wide range of 120V HSI systems with 15 to 45-second prepurge/warm-up cycles

Robertshaw 2374-498 Air Switch As the Bard 8201-032BX directFor veteran technicians and contractors requiring a reliable pressure sensing solution, the Robertshaw 2374 498 Air Switch is a high performance, field adjustable air pressure switch designed for residential and light commercial HVAC applications. This SPDT air switch features an adjustable set point range of 1. 0" to 4. 0" WC, making it a versatile 1: 1 replacement for critical components in furnaces, electronic air cleaners, and humidifiers.