Water Gauge Columns are manufactured to meet your requirements. The boiler connection flange is 5 1/2” and the water gauge flanges are 4 1/2” as standard but please contact us if you require different. We can accommodate any centres and we have the units ready to be drilled to your flange specification with a few days from order Price is for any centres up to 18". Please contact our sales team for any additional information or advice.
