These parts will save you money, time and aggravation! The Newhouse Armstrong Trap rebuild Kit for Models 800, 860, 811, 8781, 861, 310 & 981 includes gasket. Also for Watson/McDaniel traps Models 1030, 1031, 1032, 1041 and 1042. A leaking steam trap costs you money in wasted fuel costs. In extreme cases they cause your boiler pump to burn out.
A quick repair job approximately 15 minute and inexpensive. Simple instructions with kit.