Johnson Controls GRD10A-601 Guard Els PW 17895 for low-pressure steam up to

for low-pressure steam up to 15 psi

it should only be used in 120V applications designed for carbide resistance

always verify your model number for HVAC part compatibility

including 42V40 and 42V50 models

A 40 VA transformer can typically handle the boiler’s internal controls and one or two low-draw zone valves

Johnson Controls GRD10A-601 Guard Els PW 17895 for low-pressure steam up toProtect sensitive HVAC controls from tampering and physical impact with the Johnson Controls GRD10A 601 Guard. This heavy duty cast aluminum thermostat guard is designed for high traffic commercial and industrial environments where standard plastic covers fail. The unit features a solid baseplate for secure mounting to flat surfaces or standard electrical boxes, providing a professional grade barrier for thermostats and humidistats. Its durable silver