Robertshaw 4650-002 Stuffing Box 320819-301 and LS25 unit heaters in

and LS25 unit heaters in 250

When the unit’s internal plenum temperature reaches the 210°F threshold

Can this replace a switch with a different WC rating

use the six bolts provided and torque them to 25 ft-lb to ensure a leak-proof seal without damaging the housing

Robertshaw 4650-002 Stuffing Box 320819-301 and LS25 unit heaters inThe Robertshaw 4650 002 Stuffing Box is a precision engineered 3 8" nickel plated stuffing box designed for critical sealing applications in commercial gas equipment and industrial control valves. Engineered for high temperature resilience and chemical resistance, this Robertshaw gas valve fitting ensures a pressure tight seal around moving stems, preventing hazardous gas leaks and maintaining system integrity. Technicians typically utilize this