MY TIMER HAS HAD IT WHICH OTHER TIMERS ARE COMPATIBLE WITH MY APOLLO BOILER

BRYAN, November 2009

Here's a link to a PDF programmer compatibility chart...

http://www.heatweb.com/pdf/Invensys/Programmer%20Compatibility%20Chary.pdf

It shows the following Grasslin Towerchron models:

DP72, QE2
QE1
T2001, T2001Q

The chart shows on page 2 the terminal connectios for

E - N - L - H/W Off - C/H Off - H/W On - C/H On

Good luck...

Peccavi, November 2009