Siemens Building Technology 656-0009 Valve 340155-7024 The Carrier HH12ZB330 is a

The Carrier HH12ZB330 is a critical safety component designed for high-temperature furnace and HVAC applications

Compatible with traditional mineral oil (MO) and alkylbenzene (AB) lubricants commonly found in legacy R-22 systems

Optimized Compatibility: Designed as a direct OEM replacement part for all Illinois 1G and 6G radiator traps

and HCG control boards and wiring harnesses

maintaining consistent discharge temperatures in terminal units

Siemens Building Technology 656-0009 Valve 340155-7024 The Carrier HH12ZB330 is aThe Siemens Building Technology 656 0009 is a high performance pneumatic mixing valve designed for precision control of hot water, chilled water, and low pressure steam in terminal unit applications. Featuring a 1 2" flare connection (OD SAE), this normally open 3 way assembly is a staple for veteran techs servicing fan coil units, radiation systems, and reheat coils. This Powermite 656 series valve operates within a 10 15 psi spring range, a critical