Additional InformationASSE Specified|UPC Certified
Marketing InformationMIFAB's M-500 Series of pressure activated trap seal primers can be connected to any cold-water line and will be automatically activated when a valve or faucet, that is on the line, is opened. A pressure drop of 3 psi will activate all of the trap seal primers. MIFAB's M-500 Series of trap seal primers can be disassembled in the field. Their unique design permits filter replacement without affecting the performance of the primer. the O-ring seals are tested for reliability at a temperature range of -40 to 450 deg F. The M-500 Series of trap seal primers do not require adjustment. The opening range for all of MIFAB's M-500 Series of trap seal primers is 20 to 80 psi. All three models are listed with IAMPO and CSA and are tested and certified to the ASSE standard 1018 and are so marked. US patent No. 6152164.