When troubleshooting a Bard HVAC limit switch trip

It provides a reliable 4-20 mA output signal that increases as enthalpy decreases

It is designed to replace the HN67KZ002 and HN67KZ012 control boards exactly

115V cast iron circulator pump is specifically engineered for high-efficiency performance and quiet operation

Technical Specifications: Features a 1/4" male flare access point with 1/8" MPT threads below the hex and compatibility with 1/4" and 5/16" step sizes

Amana-Goodman 0151M00027SK Gas Valve 30067439-890 When troubleshooting a Bard HVACThe Amana Goodman 0151M00027SK Gas Valve is a high performance OEM replacement gas valve designed specifically for residential HVAC systems. This 24V two stage gas valve provides precise control over fuel flow, ensuring your furnace operates with maximum energy efficiency and consistent comfort. Engineered for reliability, it features a 3. 5" WC (water column) pressure rating, facilitating stable ignition and smooth transitions between heating stages.