14" x 18" x 1" Elliptical Black Max Manhole Gaskets - 2 Pack BaseSKU-50279 SMITH PART #70628 - Tankless

SMITH PART #70628 - Tankless Cover Plate Assy includes Gasket for 28A/RTS/HE Series

PEERLESS BOILER PART #51587 - SWITCH THERMODISC G4AM0600167C

Natural gas

Used with PHH200 Handhole plate

17 Bolt Holes

14" x 18" x 1" Elliptical Black Max Manhole Gaskets - 2 Pack BaseSKU-50279 SMITH PART #70628 - TanklessCompared to spiral wound gaskets, BLACK MAX gasket seal better and has much better recovery properties. And while spiral gaskets require near perfect conditions, BLACK MAX gaskets seal on rough, pitted surfaces under less compressive load. Black Max gaskets are made from multiple layers of foil reinforced, exfoliated graphite and 316 stainless steel, ensuring gasket stability. The temperature range of the components and the recovery at broad