While primarily designed for commercial refrigeration and chillers

Extended Field Life: Rated for 60

this nickel-safe descaler restores heat transfer efficiency and prevents harvest issues caused by scale buildup

code-compliant solution for 24-volt control systems in demanding environments

York S1-025-27733-002 Rollout Switch While primarily designed for commercialThe York S1 025 27733 002 Rollout Switch is a critical safety component designed for precise thermal monitoring in residential and commercial furnaces. This Double Pole Single Throw (DPST) switch provides redundant circuit protection, essential for identifying combustion issues or venting failures. Engineered with a 175F open temperature and a 95F close temperature, it ensures the system shuts down immediately if flame rollout is detected, preventing