Simplified Installation: Field-mountable design requires no specialized tools or valve disassembly

technicians can restore bubble-tight shutoff and responsive actuation without the cost of a full valve body replacement

the TP-264D is the standard specification for high-output 175 MBH HL2 and DX2 series heaters

but this OEM replacement part is engineered to manage heating systems at altitudes between 3

Frequent tripping often indicates restricted water flow

Viessmann 7826516 Ignition Electr. 326070-701 Simplified Installation: Field-mountable design requiresWhen you're servicing a Viessmann Vitodens 200 or 222 F unit, reliable ignition is the baseline for high efficiency combustion. The Viessmann 7826516 Ignition Electrode is the OEM replacement designed specifically for the WB2B, B2HA, B2HB, B2TA, and B2TB burner assemblies. This kit includes the necessary high temperature ignition electrode gasket, ensuring a gas tight seal at the mounting flange after youve pulled the burner for a maintenance check.