a valve with EPDM or PTFE seals and a high-temperature coil is required

Always check for clogged vacuum ports or cracked tubing before replacement

When diagnosing McQuay 330423401 specifications

System Longevity: Prevents pneumatic pilot air loss

the P70GA-11 utilizes an open low action

Bard HVAC 8403-038 Humidity Control 318820-201 a valve with EPDM orThe Bard HVAC 8403 038 is a professional grade non electric humidity control specifically designed for industrial HVAC systems and wall mount units. This SPDT humidity controller features a wide 125F maximum ambient temperature rating and a relative humidity range of 20% to 80% RH. Built for precise humidity regulation, it operates with a nonadjustable 5% nominal differential, ensuring stable moisture levels for sensitive equipment and critical