Chris M came out due issues with boiler pump. Performed diagnostic. Found circulator is starting to die out. Gave customer option to replace. Got permission to replace. Replaced with brand new oem 00 e taco delta t pump. Made sure no leaks. Found no leaks. Next wired up sensors and tested delta t at 20 degrees. System is heating and operational at this time according to manufacture specifications. 2 years parts and labor warranty on all repairs made today. Customer paid in full on cc.