The HH12ZB200 is the sanctioned direct replacement for HH12ZA199

Standardized Stroke: Maintains the factory-specified 5/16" stroke for consistent flow control

Features high-grade metalized polypropylene film to ensure stable operation and dielectric strength

Is this spring compatible with the 325-3 or 325-7 series

maintaining system safety and operational efficiency without the risk of dimensional mismatch found in generic alternatives

Amana-Goodman B1340103 Limit Switch The HH12ZB200 is the sanctionedThe Amana Goodman B1340103 Auto Limit Switch is a critical HVAC safety control designed to monitor and regulate the internal temperature of gas furnaces and air conditioning systems. This genuine OEM replacement part features a specific L115 20F thermal profile, meaning it is engineered to open the electrical circuit at a 115F high limit threshold and automatically reset when the temperature drops by 20F (to 95F). As a veteran tech knows, maintaining