Service Provider of Mobile Platforms - MPOS Application Roampay X5, ROAMmcm Mobile Payments Engine offered by E-Billing Solutions Private Limited, Mumbai, Maharashtra. gas line pressure gauge. 1 result for "gas line pressure gauge" Sort.Show List View $ DK-LOK® 2-1/2 in. Stainless Steel Gauge 3/8 in. Tube Stub Connector LM Liquid .... The Presto Company will test dial gauges FREE! Remove the gauge from the canner lid, wrap in newspaper, and package in a small sturdy box. Send the package to: PRESTO - Service Department, 3925 North Hastings Way, Eau Claire. Assuming the product is up-to-date and compatible with the latest mobile devices, ROAMpay is a good option for a card reader service by virtue of its security, size, and connection with Flagship Merchant Services, our number one ranked merchant services company. ROAMpay claims to have a good transaction rate for credit card swipes, but be aware.