it has likely reacted to a rollout event and requires replacement

How do I adjust the pressure once the spring is installed

this component is critical for maintaining the specific gas-to-air ratio required for stable pilot flame ignition in Weil McLain EG boilers and CG series units

reducing the risk of mechanical failure under extreme vibration

This authentic OEM part is the direct technical replacement for legacy part numbers GKT2513 and GKT2513K

JB T3-5B 5/16 x 1/4 x 5/16 Brass Tee it has likely reacted toThe JB T3 5B Brass Tee is a high performance HVAC refrigeration fitting engineered for primary service access and system manifolding. This 5 16 SAE x 1 4 MPT x 5 16 SAE brass tee is precision machined in the USA from premium C360 brass, ensuring a minimum of 65% copper content for superior tensile strength and corrosion resistance. Designed to meet SAE J513 standards, this fitting features long dryseal pipe threads that maximize clearance for flare