Can I replace the glass if it breaks in the field

The Danfoss 034L0045 is a professional-grade KVL 22 crankcase pressure regulator designed to protect compressor motors against overload during startup after long standstill periods or defrost cycles

or 240V resistive heating loads

long-term performance

Extended Service Life: Prevents corrosion on mechanical linkages and actuator seals

Armstrong International D24659 Thermostatic Operator 30067439-890 Can I replace the glassThe Armstrong International D24659 (also identified by part number 6005639) is a heavy duty LV 4W Remote Wall Mounted Thermostatic Operator designed for precise temperature regulation in hydronic heating systems. This non electric thermostatic head features a remote wall mounted sensor and a liquid filled element, ensuring reliable valve actuation based on ambient room conditions rather than local pipe temperature. Built for compatibility with