Johnson Controls VG74K1NT Reconditioning Kit 340155-7026 Do I need to add

Do I need to add an external protector for high discharge temperatures

this retrofit provides the force necessary to maintain accurate damper positioning even under fluctuating air velocities and mechanical resistance

For standard propane operation

33" WC pressure switch prevents the ignition sequence if the venting or combustion air flow is obstructed

Johnson Controls VG74K1NT Reconditioning Kit 340155-7026 Do I need to addFor contractors servicing 1 inch Johnson Controls VG7441NT series valves, the VG74K1NT Reconditioning Kit is the professional solution for restoring factory spec performance without a full body replacement. This kit is specifically engineered for 2 way normally closed, push down to open (PDTO) valve bodies featuring an 11. 6 Cv flow coefficient. By utilizing this OEM valve repair kit, you ensure the preservation of equal percentage flow