wiring

amateurplumber

i have a burnham V904A boiler that gives steam heat and for hot water production it pumps to a coil in a hot water storage tank. the building is an 8 unit apt building in brooklyn ,ny.

i have examined the wiring and find it to be somewhat illogical. the steam production and hot water production are not independent. it seems that the prressuretrol is in the wrong place in the circuit because in the event that steam and hot water are being called for at the same time, when the pressuretrol reaches it's high setting it will stop the burner and the pump that pumps hot water through the coil even though the aquastat on the hot water storage tank may still not be satisfied.

included here is a diagram of the existing wiring and what i propose. i am hoping someone with more experience can comment on this