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PSC 4520

PSC 4520 SPACE AND WATER HEATING EQUIPMENT: 3 open RFPs

Open RFPs under product service code 4520 (SPACE AND WATER HEATING EQUIPMENT), soonest deadline first.

Updated 2 h ago · 3 open

Open now3notices under 4520
Agencies buying1with an open notice

What government contracts are open under PSC 4520?

As of October 7, 2026, RFPFinder lists 3 open government RFPs under PSC 4520 (SPACE AND WATER HEATING EQUIPMENT); the most active buyer is DEPT OF DEFENSE with 3 open, and the next deadline is Oct 8.

Due Oct812h left
KB Duct List
Dept of Defense · NY · due 11:00 AM ET
SB set-asideSupplies & Equipment
Docs at source
Due Oct157d left
HEATER, IN-LINE APU
Dept of Defense · PA · due 4:30 PM ET
SB set-asideSupplies & Equipment
1 doc
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Questions

What is PSC 4520?

PSC 4520 is the federal product and service code for SPACE AND WATER HEATING EQUIPMENT. Federal buyers put it on solicitations and awards to say what they are buying.

Where do PSC 4520 RFPs get posted?

Federal notices under PSC 4520 get posted on SAM.gov, and state and local buyers post on their own procurement portals. RFPFinder collects both into this list, soonest deadline first.

Can I get alerts for PSC 4520 RFPs?

Yes. Pro members ($39/mo) add PSC codes to their fit profile, and matching notices are badged and alerted. The free daily digest follows one category or one state.

Related PSC codes