Does my home's gas pressure need to be checked?
I would say that your gas pressure / supply in general needs to be checked (that part might even be free from the gas company - call and report your symptoms)
and
that your boiler (despite not actually boiling if doing hot water rather than steam, that's what &quot;a furnace for heating water&quot; is normally called) and hydronic (hot water) heating controls need to be checked and corrected (even if the gas pressure is fine - or even if the gas pressure is low and gets corrected.) That part will almost certainly involve paying for a service call from a qualified heating system person.
Do them in that order, since servicing the boiler will go more smoothly if the gas pressure is correct.