We HARI OM REFRIGERATION CO deal into HVAC spare parts.HVAC spare parts suppliers in mumbai. HVAC spare parts suppliers in India. We are authorized channel partner of Honeywell, Siemens, Danfoss, JCI, Swep, Greystone and subzero. Mentioned product is siemens for AHU. Siemens thermostat RDG400. Siemens thermostat RDF340 manual. Siemens temperature control valve. Siemens room temperature controller. Siemens digital temperature controller. Siemens distributor in mumbai. Siemens distributor in pune. Siemens distributor in India. Siemens distributor in Delhi. Siemens distributor in Chennai. Siemens distributor in Bangalore. Siemens distributor in gujrat. Siemens thermostat for FCU.