RED-WHITE VALVE CORP. | SKU: 30078121 | MPN: 3330AB 3/4

Water Heater Isolation Valve Kit | 3330AB Series | EzPress x FNPT

Name: Water Heater Isolation Valve Kit | 3330AB Series | EzPress x FNPT
Brand: RED-WHITE VALVE CORP.
SKU: 30078121
Price: 176.2 USD
Availability: InStock

$176.20

Each

Size | Connection Type | Min Order Qty (MOQ)

0.75" EzPress x FNPT | Standard Body | Hot | 3331AB 3/4 0.75" Press x FNPT | Red Handle | Hot | 3331AB 3/4 | MOQ 2 0.75" Press x FNPT | Blue Handle | Cold | 3332AB 3/4 | MOQ 2

Product variants

Heavy-Duty Pressure Rating: 600# WOG capacity vs. standard 250# valves—handles 2.4x more pressure in commercial systems.
Thermal-Specific Handles: Color-coded operation (red=hot/blue=cold) prevents accidental scalding vs. generic single-color valves.
Certified Lead-Free: NSF/ANSI/CAN 61 & 372 compliance exceeds basic lead-free standards for potable water safety.
Hybrid Connection Advantage: EzPress x FNPT combines no-tool press installation with threaded reliability—saves 70% installation time vs. threaded-only valves.
Full-Port Superiority: Unrestricted 100% flow vs. reduced-port competitors that cause up to 40% pressure drop.

📄 Download data sheet

Designed for durability, safety, and efficiency, the 3330AB Lead-Free Brass EzPress Water Heater Isolation Valve Kit is the ultimate solution for reliable water heater connections. Built with certified lead-free brass and compliant with major industry standards, this isolation valve ensures peace of mind for both residential and commercial plumbing systems.

Key Features:

Lead-Free Certified: Fully compliant with AB1953, NSF/ANSI/CAN 61, and 372 standards, ensuring safe drinking water quality.
Full Port Design: Maximizes flow with minimal pressure drop for optimal performance.
¼ Turn Operation: Provides smooth and quick shut-off control.
Adjustable Packing: Enhances sealing capability and reduces maintenance needs.
Blow-Out Proof Stem: Ensures operational integrity and prevents accidental failures.
Versatile Connections: Features an EzPress end x FNPT tailpiece (ASME B1.20.1-NPT) for flexible installation.
600# WOG (non-shock) rated for high performance under pressure.

Hot & Cold Water Operation:

3331AB: Red handle for hot water lines
3332AB: Blue handle for cold water lines

Premium Material Construction:

Every component is carefully engineered with high-grade materials to meet rigorous industry requirements:

Body, Ball, and Stem: Lead-free brass (ASTM B927 C27450) with a corrosion-resistant chrome plating on the ball.
Seats & Packing Ring: PTFE for long-lasting, leak-proof performance.
O-rings: NSF-approved EPDM Perox for water safety and durability.
Handle: High-strength aluminum (ASTM B85) for comfortable grip and control.

Product Specifications:

Valve Size: ¾" NPT (¾ - 14 NPT thread)
Flow Port Diameter: 0.89 inches

Warning (Prop 65):

This product may expose users to chemicals including lead — a substance known to the State of California to cause cancer, birth defects, or reproductive harm. For more details, visit www.P65Warnings.ca.gov.

Choose the 3330AB Isolation Valve Kit for long-lasting safety, full water flow, and certified lead-free plumbing performance. Trusted by professionals, built by RED-WHITE VALVE CORP.

D i m e n s i o n , W e i g h t

Size	Φ (in)	C (in)	A (in)	H (in)	P (in)	Weight (lb)
¾″	¾ - 14 NPT	0.89	4.27	1.66	0.73	0.95

M a t e r i a l

Part	Material	Specification
1 – Body	Lead Free Brass	ASTM B927 C27450
2 – Fixed End	Lead Free Brass	ASTM B927 C27450
3 – Ball	Lead Free Brass / Cr Plated	ASTM B927 C27450
4 – Seat	PTFE	PTFE
5 – O-ring	EPDM Perox	NSF Approved
6 – Stem	Lead Free Brass	ASTM B927 C27450
7 – Packing Ring	PTFE	PTFE
8 – Packing Nut	Brass	ASTM B283 C37700
9 – T-handle^*	Aluminum	ASTM B85
10 – Handle Nut	Steel / Zn Plated	ASTM A36
11 – Union Nut	Brass	ASTM B283 C37700
12 – Union	Lead Free Brass	ASTM B927 C27450
13 – O-ring	EPDM Perox	NSF Approved

^*3331AB: Red, 3332AB: Blue