Designed to meet the precise tolerances of Lochinvar and A

and 3) on the zone control panel

The Friedrich 68700152 Ambient Temperature Sensor is a critical OEM replacement part engineered for precise thermal feedback in Friedrich air conditioning systems

This specific 3/4-inch orifice for 243 is optimized for 10-degree or 30-degree valve body configurations depending on your specific regulator setup

excessive flame impingement or "sooting" from a dirty pilot orifice can cause the stainless steel jacket to degrade

Siemens Industrial Controls B250 Breaker 340155-7024 Designed to meet the preciseFor mid sized HVAC equipment and commercial distribution, the Siemens B250 breaker is a staple for reliable power management. This is a 50A 2 pole circuit breaker built on the Siemens BL type frame, designed specifically for a secure connection in P1 through P5 Siemens panelboards. As a bolt on breaker, it eliminates the seating issues often found in plug in alternatives, providing a low resistance path that is critical for high draw inductive loads.