PRODUCTS Back to Catalog Valves 503 Temperature/pressure gauge facebook twitter linkedin email 1/2” bottom connection. With shut-off pocket. Ø 80 mm. Accuracy class: – temperature gauge UNI 2; – pressure gauge UNI 2,5. Category: Valves Manufacturer Caleffi Tag: Gauges Related Products 503 Temperature/pressure gauge 688 Temperature gauge 688 Temperature gauge 557 Pressure gauge 5335 5335H PRV Previous Product 503 Temperature/pressure gauge Product Inquiry Form Get the right solution for your needs Radheat provides quality and reliabilty for a lifestyle you deserve.CONTACT US